Commodity2005200620072008200920102011
Hydrogen$18,706$34,090$34,631$16,041$22,714$13,381$62,935
Argon$179,104$405,946$531,886$557,510$511,870$557,326$656,390
Rare gases other than argon$322,587$307,884$256,352$377,082$502,037$476,203$584,188
Nitrogen$59,156$79,789$132,146$67,681$79,388$55,836$101,923
Oxygen$253,581$339,169$328,557$84,235$61,428$441,543$1,475,555
Boron; tellurium     $773 
Silicon, cont. by wt. not <99.99% of silicon   $28,589$25,164$138,613$109,598
Silicon, cont. by wt. <99.99% of silicon$31,584$61,270$216,441$76,324$26,251$61,752$20,313
Phosphorus$13,929$28,790 $14,520$23,329$25,578$37,997
Arsenic$13,695$17,065$17,402$35,020$14,892$14,919$18,581
Selenium$7,863$38,388$88,554$130,109$68,319$125,906$285,473
Total$900,205$1,312,391$1,605,969$1,387,111$1,335,392$1,911,830$3,352,953