Commodity200520062007200820092010
Hydrogen$11,867$3,625$214,591  $236,534
Argon$88,962$34,571$1,317,505  $6,908,275
Rare gases other than argon$2,865,771$3,926,979$3,872,319$1,570,402$1,588,402$4,156,005
Nitrogen$2,458,950$2,535,470$6,419,063$6,632,808$6,557,625$3,529,071
Oxygen$26,279$7,759$1,383,395 $4,437,711$6,529,875
Boron; tellurium$887$317$4,618   
Silicon, cont. by wt. not <99.99% of silicon$237,917$152,755$164,753  $1,617,602
Silicon, cont. by wt. <99.99% of silicon$764,645$1,079,677$544,864  $377,600
Phosphorus$21,614$861$461  $213,867
Arsenic$26,717$628$28,416   
Selenium$1,891,337$771,915$870,643  $377,867
Total$8,394,946$8,514,557$14,820,628$8,203,210$12,583,738$23,946,696