Commodity2005200620072008200920102011
Hydrogen$2,265,410$2,198,440$2,963,348$2,636,439$1,456,671$2,174,393$2,511,672
Argon$1,138,815$1,025,971$1,326,472$1,646,968$1,418,166$1,520,999$1,834,226
Rare gases other than argon$411,937$256,277$333,481$536,323$217,065$284,174$206,013
Nitrogen$2,139,810$2,165,304$3,078,628$3,641,733$2,907,959$2,908,335$5,794,605
Oxygen$7,517,912$8,251,057$7,438,459$8,450,938$7,485,793$9,711,004$10,861,564
Boron; tellurium  $59$497$219$241$51
Silicon, cont. by wt. not <99.99% of silicon$14,926$466,938$49$19,246$322$187,616$2,759
Silicon, cont. by wt. <99.99% of silicon$2,343$8,114$48,737$38,450$180,745 $13,327
Phosphorus $180$399$264$269$180$352
Arsenic    $297  
Selenium$12$451 $144$4,198 $101
Total$13,491,165$14,372,732$15,189,632$16,971,002$13,671,704$16,786,942$21,224,670