Commodity2005200620072008200920102011
Hydrogen$5,807$18,898$675 $110$247$122
Argon$100,304$158,780$663,151$747,070$248,830$319,024$481,286
Rare gases other than argon$172,372$540,440$249,869$251,765$250,794$161,824$115,909
Nitrogen$86,411$85,835$92,464$119,791$129,809$150,299$273,233
Oxygen$358,574$864,772$686,349$1,235,321$1,381,310$1,975,899$2,004,714
Boron; tellurium$951$2,305 $530$870$43 
Silicon, cont. by wt. not <99.99% of silicon$1,081$11,286$15,518$8,839$348 $552
Silicon, cont. by wt. <99.99% of silicon$7,054$74,314$95,226$86,483$182,218$348,911$454,724
Selenium     $6,063$114,208
Total$732,554$1,756,630$1,803,252$2,449,799$2,194,289$2,962,310$3,444,748