Commodity200520062007200820092010
Hydrogen$14,511$13,794$30,490$160,162$53,442$12,132
Argon$292,705$344,656$439,760$461,673$460,314$555,763
Rare gases other than argon$285,134$285,856$289,505$321,743$324,722$340,331
Nitrogen$176,255$576,432$1,017,329$1,373,665$1,469,110$1,121,704
Oxygen$825,372$1,322,160$1,435,298$1,241,495$1,224,883$443,328
Boron; tellurium$4,345$2,152$98$94$124 
Silicon, cont. by wt. not <99.99% of silicon $3,314  $316 
Silicon, cont. by wt. <99.99% of silicon$6,157$8,085$18,082$185$119,918$117
Phosphorus$1$108$1   
Arsenic$15,644$10,513$8,544$125$75$90
Selenium$87,864$123,686$81,985$6,231$6,844$5,306
Total$1,707,988$2,690,756$3,321,092$3,565,373$3,659,748$2,478,771