Commodity2005200620072008200920102011
Hydrogen$30,572$17,365$130,659$205,863$41,933$61,859$9,685
Argon$89,518$141,566$234,913$544,015$476,653$425,632$891,920
Rare gases other than argon$37,367$16,709$47,841$15,399$34,530$49,808$46,788
Nitrogen$18,806$198,399$68,725$329,415$135,367$305,286$510,447
Oxygen$104,798$127,848$159,599$1,514,992$488,730$607,255$965,269
Silicon, cont. by wt. not <99.99% of silicon     $131,741$3,558
Silicon, cont. by wt. <99.99% of silicon  $7,150,830$41,277  $403
Selenium$21,081     $16,099
Total$302,142$501,887$7,792,567$2,650,961$1,177,213$1,581,581$2,444,169