Commodity20052006200720082009
Hydrogen$67,391$348,252$52,353$96,666$167,299
Argon$940,574$248,142$92$71,898$194,679
Rare gases other than argon$84,739$1,054,963$81,991$589,999$698,441
Nitrogen$14,104$26,436$972,766$2,579$1,771
Oxygen$224,460$6,821$1,220$5,002$7,133
Boron; tellurium$4,086$35,565$1,736 $4,605
Silicon, cont. by wt. not <99.99% of silicon$12,263$40,147  $12,789
Silicon, cont. by wt. <99.99% of silicon$95,477$25,822$6,002$18,776$19,491
Phosphorus$82,697$86,412 $8,787 
Arsenic $194   
Selenium $761 $42,889$138,679
Total$1,525,791$1,873,515$1,116,160$836,596$1,244,887