2009-01-01,0.53,$US/lb
2009-01-02,0.56,$US/lb
2009-01-03,0.56,$US/lb
2009-01-04,0.56,$US/lb
2009-01-05,0.57,$US/lb
2009-01-06,0.58,$US/lb
2009-01-07,0.58,$US/lb
2009-01-08,0.54,$US/lb
2009-01-09,0.57,$US/lb
2009-01-10,0.57,$US/lb
2009-01-11,0.57,$US/lb
2009-01-12,0.55,$US/lb
2009-01-13,0.54,$US/lb
2009-01-14,0.56,$US/lb
2009-01-15,0.55,$US/lb
2009-01-16,0.55,$US/lb
2009-01-17,0.55,$US/lb
2009-01-18,0.55,$US/lb
2009-01-19,0.56,$US/lb
2009-01-20,0.54,$US/lb
2009-01-21,0.50,$US/lb
2009-01-22,0.50,$US/lb
2009-01-23,0.52,$US/lb
2009-01-24,0.52,$US/lb
2009-01-25,0.52,$US/lb
2009-01-26,0.52,$US/lb
2009-01-27,0.50,$US/lb
2009-01-28,0.50,$US/lb
2009-01-29,0.49,$US/lb
2009-01-30,0.48,$US/lb
2009-01-31,0.48,$US/lb
2009-02-01,0.48,$US/lb
2009-02-02,0.50,$US/lb
2009-02-03,0.51,$US/lb
2009-02-04,0.52,$US/lb
2009-02-05,0.50,$US/lb
2009-02-06,0.52,$US/lb
2009-02-07,0.52,$US/lb
2009-02-08,0.52,$US/lb
2009-02-09,0.53,$US/lb
2009-02-10,0.51,$US/lb
2009-02-11,0.52,$US/lb
2009-02-12,0.51,$US/lb
2009-02-13,0.51,$US/lb
2009-02-14,0.51,$US/lb
2009-02-15,0.51,$US/lb
2009-02-16,0.50,$US/lb
2009-02-17,0.49,$US/lb
2009-02-18,0.49,$US/lb
2009-02-19,0.49,$US/lb
2009-02-20,0.48,$US/lb
2009-02-21,0.48,$US/lb
2009-02-22,0.48,$US/lb
2009-02-23,0.49,$US/lb
2009-02-24,0.49,$US/lb
2009-02-25,0.51,$US/lb
2009-02-26,0.51,$US/lb
2009-02-27,0.50,$US/lb
2009-02-28,0.50,$US/lb
2009-03-01,0.50,$US/lb
2009-03-02,0.49,$US/lb
2009-03-03,0.50,$US/lb
2009-03-04,0.50,$US/lb
2009-03-05,0.50,$US/lb
2009-03-06,0.50,$US/lb
2009-03-07,0.50,$US/lb
2009-03-08,0.50,$US/lb
2009-03-09,0.50,$US/lb
2009-03-10,0.50,$US/lb
2009-03-11,0.50,$US/lb
2009-03-12,0.50,$US/lb
2009-03-13,0.50,$US/lb
2009-03-14,0.50,$US/lb
2009-03-15,0.50,$US/lb
2009-03-16,0.50,$US/lb
2009-03-17,0.50,$US/lb
2009-03-18,0.50,$US/lb
2009-03-19,0.50,$US/lb
2009-03-20,0.50,$US/lb
2009-03-21,0.50,$US/lb
2009-03-22,0.50,$US/lb
2009-03-23,0.50,$US/lb
2009-03-24,0.50,$US/lb
2009-03-25,0.50,$US/lb
2009-03-26,0.50,$US/lb
2009-03-27,0.50,$US/lb
2009-03-28,0.50,$US/lb
2009-03-29,0.50,$US/lb
2009-03-30,0.50,$US/lb
2009-03-31,0.50,$US/lb
2009-04-01,0.50,$US/lb
2009-04-02,0.50,$US/lb
2009-04-03,0.50,$US/lb
2009-04-04,0.50,$US/lb
2009-04-05,0.50,$US/lb
2009-04-06,0.50,$US/lb
2009-04-07,0.50,$US/lb
2009-04-08,0.60,$US/lb
2009-04-09,0.61,$US/lb
2009-04-10,0.61,$US/lb
2009-04-11,0.61,$US/lb
2009-04-12,0.61,$US/lb
2009-04-13,0.62,$US/lb
2009-04-14,0.63,$US/lb
2009-04-15,0.67,$US/lb
2009-04-16,0.67,$US/lb
2009-04-17,0.69,$US/lb
2009-04-18,0.69,$US/lb
2009-04-19,0.69,$US/lb
2009-04-20,0.65,$US/lb
2009-04-21,0.65,$US/lb
2009-04-22,0.64,$US/lb
2009-04-23,0.62,$US/lb
2009-04-24,0.63,$US/lb
2009-04-25,0.63,$US/lb
2009-04-26,0.63,$US/lb
2009-04-27,0.60,$US/lb
2009-04-28,0.59,$US/lb
2009-04-29,0.62,$US/lb
2009-04-30,0.63,$US/lb
2009-05-01,0.67,$US/lb
2009-05-02,0.67,$US/lb
2009-05-03,0.67,$US/lb
2009-05-04,0.67,$US/lb
2009-05-05,0.67,$US/lb
2009-05-06,0.72,$US/lb
2009-05-07,0.70,$US/lb
2009-05-08,0.70,$US/lb
2009-05-09,0.70,$US/lb
2009-05-10,0.70,$US/lb
2009-05-11,0.69,$US/lb
2009-05-12,0.70,$US/lb
2009-05-13,0.66,$US/lb
2009-05-14,0.67,$US/lb
2009-05-15,0.66,$US/lb
2009-05-16,0.66,$US/lb
2009-05-17,0.66,$US/lb
2009-05-18,0.67,$US/lb
2009-05-19,0.67,$US/lb
2009-05-20,0.66,$US/lb
2009-05-21,0.64,$US/lb
2009-05-22,0.67,$US/lb
2009-05-23,0.67,$US/lb
2009-05-24,0.67,$US/lb
2009-05-25,0.67,$US/lb
2009-05-26,667.00,$US/lb
2009-05-27,0.65,$US/lb
2009-05-28,0.66,$US/lb
2009-05-29,0.68,$US/lb
2009-05-30,0.68,$US/lb
2009-05-31,0.68,$US/lb
2009-06-01,0.71,$US/lb
2009-06-02,0.70,$US/lb
2009-06-03,0.68,$US/lb
2009-06-04,0.71,$US/lb
2009-06-05,0.70,$US/lb
2009-06-06,0.70,$US/lb
2009-06-07,0.70,$US/lb
2009-06-08,0.69,$US/lb
2009-06-09,0.72,$US/lb
2009-06-10,0.72,$US/lb
2009-06-11,0.76,$US/lb
2009-06-12,0.74,$US/lb
2009-06-13,0.74,$US/lb
2009-06-14,0.74,$US/lb
2009-06-15,0.70,$US/lb
2009-06-16,0.69,$US/lb
2009-06-17,0.70,$US/lb
2009-06-18,0.69,$US/lb
2009-06-19,0.69,$US/lb
2009-06-20,0.69,$US/lb
2009-06-21,0.69,$US/lb
2009-06-22,0.66,$US/lb
2009-06-23,0.68,$US/lb
2009-06-24,0.71,$US/lb
2009-06-25,0.73,$US/lb
2009-06-26,0.70,$US/lb
2009-06-27,0.70,$US/lb
2009-06-28,0.70,$US/lb
2009-06-29,0.69,$US/lb
2009-06-30,0.69,$US/lb
2009-07-01,0.68,$US/lb
2009-07-02,0.70,$US/lb
2009-07-03,0.69,$US/lb
2009-07-04,0.69,$US/lb
2009-07-05,0.69,$US/lb
2009-07-06,0.69,$US/lb
2009-07-07,0.70,$US/lb
2009-07-08,0.67,$US/lb
2009-07-09,0.68,$US/lb
2009-07-10,0.67,$US/lb
2009-07-11,0.67,$US/lb
2009-07-12,0.67,$US/lb
2009-07-13,0.65,$US/lb
2009-07-14,0.67,$US/lb
2009-07-15,0.68,$US/lb
2009-07-16,0.69,$US/lb
2009-07-17,0.68,$US/lb
2009-07-18,0.68,$US/lb
2009-07-19,0.68,$US/lb
2009-07-20,0.75,$US/lb
2009-07-21,0.74,$US/lb
2009-07-22,0.76,$US/lb
2009-07-23,0.75,$US/lb
2009-07-24,0.76,$US/lb
2009-07-25,0.76,$US/lb
2009-07-26,0.76,$US/lb
2009-07-27,0.76,$US/lb
2009-07-28,0.75,$US/lb
2009-07-29,0.76,$US/lb
2009-07-30,0.76,$US/lb
2009-07-31,0.78,$US/lb
2009-08-01,0.78,$US/lb
2009-08-02,0.78,$US/lb
2009-08-03,0.82,$US/lb
2009-08-04,0.83,$US/lb
2009-08-05,0.82,$US/lb
2009-08-06,0.83,$US/lb
2009-08-07,0.84,$US/lb
2009-08-08,0.84,$US/lb
2009-08-09,0.84,$US/lb
2009-08-10,0.84,$US/lb
2009-08-11,0.81,$US/lb
2009-08-12,0.82,$US/lb
2009-08-13,0.84,$US/lb
2009-08-14,0.82,$US/lb
2009-08-15,0.81,$US/lb
2009-08-16,0.81,$US/lb
2009-08-17,0.81,$US/lb
2009-08-18,0.80,$US/lb
2009-08-19,0.81,$US/lb
2009-08-20,0.80,$US/lb
2009-08-21,0.82,$US/lb
2009-08-22,0.82,$US/lb
2009-08-23,0.82,$US/lb
2009-08-24,0.82,$US/lb
2009-08-25,0.81,$US/lb
2009-08-26,0.81,$US/lb
2009-08-27,0.81,$US/lb
2009-08-28,0.83,$US/lb
2009-08-29,0.83,$US/lb
2009-08-30,0.83,$US/lb
2009-08-31,0.83,$US/lb
2009-09-01,0.81,$US/lb
2009-09-02,0.82,$US/lb
2009-09-03,0.84,$US/lb
2009-09-04,0.85,$US/lb
2009-09-05,0.85,$US/lb
2009-09-06,0.85,$US/lb
2009-09-07,0.86,$US/lb
2009-09-08,0.88,$US/lb
2009-09-09,0.88,$US/lb
2009-09-10,0.88,$US/lb
2009-09-11,0.88,$US/lb
2009-09-12,0.88,$US/lb
2009-09-13,0.88,$US/lb
2009-09-14,0.83,$US/lb
2009-09-15,0.84,$US/lb
2009-09-16,0.87,$US/lb
2009-09-17,0.87,$US/lb
2009-09-18,0.86,$US/lb
2009-09-19,0.86,$US/lb
2009-09-20,0.86,$US/lb
2009-09-21,0.85,$US/lb
2009-09-22,0.86,$US/lb
2009-09-23,0.85,$US/lb
2009-09-24,0.82,$US/lb
2009-09-25,0.84,$US/lb
2009-09-26,0.84,$US/lb
2009-09-27,0.84,$US/lb
2009-09-28,0.84,$US/lb
2009-09-29,0.84,$US/lb
2009-09-30,0.87,$US/lb
2009-10-01,0.85,$US/lb
2009-10-02,0.83,$US/lb
2009-10-03,0.83,$US/lb
2009-10-04,0.83,$US/lb
2009-10-05,0.84,$US/lb
2009-10-06,0.86,$US/lb
2009-10-07,0.87,$US/lb
2009-10-08,0.93,$US/lb
2009-10-09,0.92,$US/lb
2009-10-10,0.92,$US/lb
2009-10-11,0.92,$US/lb
2009-10-12,0.92,$US/lb
2009-10-13,0.91,$US/lb
2009-10-14,0.91,$US/lb
2009-10-15,0.91,$US/lb
2009-10-16,0.91,$US/lb
2009-10-17,0.91,$US/lb
2009-10-18,0.91,$US/lb
2009-10-19,0.95,$US/lb
2009-10-20,0.95,$US/lb
2009-10-21,1.00,$US/lb
2009-10-22,1.00,$US/lb
2009-10-23,1.02,$US/lb
2009-10-24,1.02,$US/lb
2009-10-25,1.02,$US/lb
2009-10-26,1.03,$US/lb
2009-10-27,1.03,$US/lb
2009-10-28,0.99,$US/lb
2009-10-29,1.01,$US/lb
2009-10-30,0.97,$US/lb
2009-10-31,0.97,$US/lb
2009-11-01,0.97,$US/lb
2009-11-02,0.98,$US/lb
2009-11-03,0.99,$US/lb
2009-11-04,1.01,$US/lb
2009-11-05,1.01,$US/lb
2009-11-06,0.98,$US/lb
2009-11-07,0.98,$US/lb
2009-11-08,0.98,$US/lb
2009-11-09,0.97,$US/lb
2009-11-10,0.97,$US/lb
2009-11-11,0.97,$US/lb
2009-11-12,0.96,$US/lb
2009-11-13,0.97,$US/lb
2009-11-14,0.97,$US/lb
2009-11-15,0.97,$US/lb
2009-11-16,1.02,$US/lb
2009-11-17,1.02,$US/lb
2009-11-18,1.01,$US/lb
2009-11-19,0.96,$US/lb
2009-11-20,1.01,$US/lb
2009-11-21,1.01,$US/lb
2009-11-22,1.01,$US/lb
2009-11-23,1.01,$US/lb
2009-11-24,1.01,$US/lb
2009-11-25,1.03,$US/lb
2009-11-26,1.01,$US/lb
2009-11-27,1.00,$US/lb
2009-11-28,1.00,$US/lb
2009-11-29,1.00,$US/lb
2009-11-30,1.03,$US/lb
2009-12-01,1.06,$US/lb
2009-12-02,1.09,$US/lb
2009-12-03,1.08,$US/lb
2009-12-04,1.06,$US/lb
2009-12-05,1.06,$US/lb
2009-12-06,1.06,$US/lb
2009-12-07,1.06,$US/lb
2009-12-08,1.03,$US/lb
2009-12-09,1.02,$US/lb
2009-12-10,1.02,$US/lb
2009-12-11,1.03,$US/lb
2009-12-12,1.03,$US/lb
2009-12-13,1.03,$US/lb
2009-12-14,1.04,$US/lb
2009-12-15,1.04,$US/lb
2009-12-16,1.08,$US/lb
2009-12-17,1.06,$US/lb
2009-12-18,1.07,$US/lb
2009-12-19,1.07,$US/lb
2009-12-20,1.07,$US/lb
2009-12-21,1.07,$US/lb
2009-12-22,1.07,$US/lb
2009-12-23,1.13,$US/lb
2009-12-24,1.13,$US/lb
2009-12-25,1.13,$US/lb
2009-12-26,1.13,$US/lb
2009-12-27,1.13,$US/lb
2009-12-28,1.13,$US/lb
2009-12-29,1.14,$US/lb
2009-12-30,1.15,$US/lb
2009-12-31,1.07,$US/lb
2010-01-01,1.07,$US/lb
2010-01-02,1.07,$US/lb
2010-01-03,1.07,$US/lb
2010-01-04,1.15,$US/lb
2010-01-05,1.15,$US/lb
2010-01-06,1.21,$US/lb
2010-01-07,1.16,$US/lb
2010-01-08,1.14,$US/lb
2010-01-09,1.14,$US/lb
2010-01-10,1.14,$US/lb
2010-01-11,1.14,$US/lb
2010-01-12,1.10,$US/lb
2010-01-13,1.13,$US/lb
2010-01-14,1.13,$US/lb
2010-01-15,1.10,$US/lb
2010-01-16,1.10,$US/lb
2010-01-17,1.10,$US/lb
2010-01-18,1.15,$US/lb
2010-01-19,1.13,$US/lb
2010-01-20,1.09,$US/lb
2010-01-21,1.08,$US/lb
2010-01-22,1.05,$US/lb
2010-01-23,1.05,$US/lb
2010-01-24,1.05,$US/lb
2010-01-25,1.04,$US/lb
2010-01-26,1.04,$US/lb
2010-01-27,1.04,$US/lb
2010-01-28,0.97,$US/lb
2010-01-29,0.97,$US/lb
2010-01-30,0.97,$US/lb
2010-01-31,0.97,$US/lb
2010-02-01,0.97,$US/lb
2010-02-02,0.97,$US/lb
2010-02-03,0.95,$US/lb
2010-02-04,0.92,$US/lb
2010-02-05,0.88,$US/lb
2010-02-06,0.88,$US/lb
2010-02-07,0.88,$US/lb
2010-02-08,0.91,$US/lb
2010-02-09,0.96,$US/lb
2010-02-10,0.96,$US/lb
2010-02-11,0.99,$US/lb
2010-02-12,0.96,$US/lb
2010-02-13,0.98,$US/lb
2010-02-14,0.98,$US/lb
2010-02-15,0.98,$US/lb
2010-02-16,1.05,$US/lb
2010-02-17,1.04,$US/lb
2010-02-18,1.04,$US/lb
2010-02-19,1.04,$US/lb
2010-02-20,1.06,$US/lb
2010-02-21,1.06,$US/lb
2010-02-22,1.02,$US/lb
2010-02-23,1.02,$US/lb
2010-02-24,0.98,$US/lb
2010-02-25,0.95,$US/lb
2010-02-26,0.98,$US/lb
2010-02-27,0.98,$US/lb
2010-02-28,0.98,$US/lb
2010-03-01,0.98,$US/lb
2010-03-02,1.01,$US/lb
2010-03-03,1.02,$US/lb
2010-03-04,1.01,$US/lb
2010-03-05,1.05,$US/lb
2010-03-06,1.05,$US/lb
2010-03-07,1.05,$US/lb
2010-03-08,1.06,$US/lb
2010-03-09,1.06,$US/lb
2010-03-10,1.06,$US/lb
2010-03-11,1.06,$US/lb
2010-03-12,1.00,$US/lb
2010-03-13,1.05,$US/lb
2010-03-14,1.05,$US/lb
2010-03-15,1.02,$US/lb
2010-03-16,1.03,$US/lb
2010-03-17,1.05,$US/lb
2010-03-18,1.03,$US/lb
2010-03-19,1.04,$US/lb
2010-03-20,1.02,$US/lb
2010-03-21,1.02,$US/lb
2010-03-22,1.02,$US/lb
2010-03-23,1.00,$US/lb
2010-03-24,0.98,$US/lb
2010-03-25,0.99,$US/lb
2010-03-26,1.00,$US/lb
2010-03-27,1.00,$US/lb
2010-03-28,1.00,$US/lb
2010-03-29,1.05,$US/lb
2010-03-30,1.06,$US/lb
2010-03-31,1.06,$US/lb
2010-04-01,1.06,$US/lb
2010-04-02,1.06,$US/lb
2010-04-03,1.06,$US/lb
2010-04-04,1.06,$US/lb
2010-04-05,1.06,$US/lb
2010-04-06,1.09,$US/lb
2010-04-07,1.08,$US/lb
2010-04-08,1.07,$US/lb
2010-04-09,1.07,$US/lb
2010-04-10,1.07,$US/lb
2010-04-11,1.07,$US/lb
2010-04-12,1.07,$US/lb
2010-04-13,1.06,$US/lb
2010-04-14,1.09,$US/lb
2010-04-15,1.12,$US/lb
2010-04-16,1.08,$US/lb
2010-04-17,1.08,$US/lb
2010-04-18,1.08,$US/lb
2010-04-19,1.07,$US/lb
2010-04-20,1.09,$US/lb
2010-04-21,1.09,$US/lb
2010-04-22,1.07,$US/lb
2010-04-23,1.08,$US/lb
2010-04-24,1.08,$US/lb
2010-04-25,1.08,$US/lb
2010-04-26,1.08,$US/lb
2010-04-27,1.05,$US/lb
2010-04-28,1.05,$US/lb
2010-04-29,1.03,$US/lb
2010-04-30,1.02,$US/lb
2010-05-01,1.02,$US/lb
2010-05-02,1.02,$US/lb
2010-05-03,1.02,$US/lb
2010-05-04,0.95,$US/lb
2010-05-05,0.95,$US/lb
2010-05-06,0.97,$US/lb
2010-05-07,0.94,$US/lb
2010-05-08,0.94,$US/lb
2010-05-09,0.94,$US/lb
2010-05-10,0.94,$US/lb
2010-05-11,0.92,$US/lb
2010-05-12,0.93,$US/lb
2010-05-13,0.96,$US/lb
2010-05-14,0.91,$US/lb
2010-05-15,0.91,$US/lb
2010-05-16,0.91,$US/lb
2010-05-17,0.83,$US/lb
2010-05-18,0.85,$US/lb
2010-05-19,0.83,$US/lb
2010-05-20,0.83,$US/lb
2010-05-21,0.84,$US/lb
2010-05-22,0.84,$US/lb
2010-05-23,0.84,$US/lb
2010-05-24,0.85,$US/lb
2010-05-25,0.83,$US/lb
2010-05-26,0.84,$US/lb
2010-05-27,0.86,$US/lb
2010-05-28,0.85,$US/lb
2010-05-29,0.85,$US/lb
2010-05-30,0.85,$US/lb
2010-05-31,0.85,$US/lb
2010-06-01,0.85,$US/lb
2010-06-02,0.83,$US/lb
2010-06-03,0.77,$US/lb
2010-06-04,0.73,$US/lb
2010-06-05,0.73,$US/lb
2010-06-06,0.73,$US/lb
2010-06-07,0.72,$US/lb
2010-06-08,0.76,$US/lb
2010-06-09,0.78,$US/lb
2010-06-10,0.76,$US/lb
2010-06-11,0.77,$US/lb
2010-06-12,0.77,$US/lb
2010-06-13,0.77,$US/lb
2010-06-14,0.80,$US/lb
2010-06-15,0.82,$US/lb
2010-06-16,0.80,$US/lb
2010-06-17,0.80,$US/lb
2010-06-18,0.77,$US/lb
2010-06-19,0.77,$US/lb
2010-06-20,0.77,$US/lb
2010-06-21,0.80,$US/lb
2010-06-22,0.80,$US/lb
2010-06-23,0.80,$US/lb
2010-06-24,0.83,$US/lb
2010-06-25,0.83,$US/lb
2010-06-26,0.83,$US/lb
2010-06-27,0.83,$US/lb
2010-06-28,0.82,$US/lb
2010-06-29,0.78,$US/lb
2010-06-30,0.78,$US/lb
2010-07-01,0.78,$US/lb
2010-07-02,0.80,$US/lb
2010-07-03,0.80,$US/lb
2010-07-04,0.80,$US/lb
2010-07-05,0.80,$US/lb
2010-07-06,0.82,$US/lb
2010-07-07,0.83,$US/lb
2010-07-08,0.83,$US/lb
2010-07-09,0.83,$US/lb
2010-07-10,0.84,$US/lb
2010-07-11,0.84,$US/lb
2010-07-12,0.83,$US/lb
2010-07-13,0.83,$US/lb
2010-07-14,0.82,$US/lb
2010-07-15,0.81,$US/lb
2010-07-16,0.80,$US/lb
2010-07-17,0.80,$US/lb
2010-07-18,0.80,$US/lb
2010-07-19,0.81,$US/lb
2010-07-20,0.84,$US/lb
2010-07-21,0.86,$US/lb
2010-07-22,0.86,$US/lb
2010-07-23,0.86,$US/lb
2010-07-24,0.86,$US/lb
2010-07-25,0.86,$US/lb
2010-07-26,0.87,$US/lb
2010-07-27,0.85,$US/lb
2010-07-28,0.85,$US/lb
2010-07-29,0.89,$US/lb
2010-07-30,0.90,$US/lb