Commodity2005200620072008200920102011
Hydrogen$47,100$60,400$56,900$68,800$46,900$32,000$59,100
Argon$125,800$190,200$344,400$457,000$512,300$648,000$379,100
Rare gases other than argon$207,500$383,300$423,200$680,700$708,600$702,200$889,000
Nitrogen$16,700$31,600$41,800$95,400$114,500$130,800$146,000
Oxygen$68,200$31,000$62,400$2,471,000$1,478,200$736,900$463,900
Boron; tellurium$14,100$12,100$4,100$10,800$11,100$8,300$3,100
Silicon, cont. by wt. not <99.99% of silicon$1,296,800$3,361,700$3,695,500$2,981,600$3,129,000$3,090,900$3,361,900
Silicon, cont. by wt. <99.99% of silicon$462,100$600,200$763,000$1,185,700$984,000$1,699,400$2,655,200
Phosphorus$173,900$92,600$239,300$203,800$237,300$499,600$207,200
Arsenic $2,700$5,200    
Selenium$189,200$66,500$179,000$159,600$86,400$235,200$420,200
Total$2,601,400$4,832,300$5,814,800$8,314,400$7,308,300$7,783,300$8,584,700