Commodity2005200620072008200920102011
Hydrogen$45,670$64,021$31,154$42,938$23,655$33,895$35,860
Argon$324,223$521,186$584,381$549,452$185,477$337,729$485,083
Rare gases other than argon$377,476$206,143$153,743$150,871$134,804$238,335$424,569
Nitrogen$264,954$175,222$273,838$192,557$220,041$147,332$54,696
Oxygen$198,752$300,361$579,780$475,010$380,877$259,682$84,057
Boron; tellurium$20,772$57,414$42,393$69,501$90,749$60,429 
Silicon, cont. by wt. not <99.99% of silicon  $5,995$8,556$2,800$4,568 
Silicon, cont. by wt. <99.99% of silicon$1,827$28,679$7 $58,780  
Phosphorus $51 $28   
Arsenic$83      
Selenium$139,687$66,293$78,660$113,561$54,454$144,116$243,360
Total$1,373,444$1,419,370$1,749,951$1,602,474$1,151,637$1,226,086$1,327,625