Commodity200520062007200820092010
Hydrogen$136,284$11,591$124,810$34,177$49,369$87,558
Argon$93,615$160,411$106,938$144,017$134,838$203,340
Rare gases other than argon$33,688$35,028$76,736$31,287$59,872$76,393
Nitrogen$16,813$7,037$6,329$9,955$16,773$4,418
Oxygen$4,189$2,360$2,572$21,604$3,409$2,070
Boron; tellurium $1,985$165 $812$3,495
Silicon, cont. by wt. not <99.99% of silicon$1,002$4,100$1,338$355$9,568$7,413
Silicon, cont. by wt. <99.99% of silicon$18,614$15,129$9,752$23,771$33,130$12,245
Phosphorus$13,220   $837 
Arsenic$30$6,671   $6
Total$317,455$244,312$328,640$265,166$308,608$396,938