Commodity2005200620072008200920102011
Hydrogen$326,212$28,906$3,320$2,619$3,577$3,517$11,835
Argon$637,047$458,489$433,618$217,443$219,480$109,665$333,084
Rare gases other than argon$287,202$436,338$740,383$645,454$237,439$581,470$857,245
Nitrogen$91,421$63,398$77,754$15,823$25,596$21,184$78,117
Oxygen$19,052$31,600$26,698$34,924$10,080$31,704$20,761
Boron; tellurium$8      
Silicon, cont. by wt. not <99.99% of silicon $59,976   $129 
Silicon, cont. by wt. <99.99% of silicon$8,940$99,670$7,000$5,615 $14,700$61,289
Phosphorus    $2,000 $40
Arsenic   $5,471  $712
Total$1,369,882$1,178,377$1,288,773$927,349$498,172$762,369$1,363,083