Commodity20062007200820092010
Hydrogen$411,310$29,112$113,298$3,349,871$290
Argon$915,159$968,886$1,820,010$27,762,297$1,686,460
Rare gases other than argon$491,435$369,470$435,619$1,173,042$1,439,478
Nitrogen$23,728$454,851$136,350$1,794,005$1,453
Oxygen$307,025$9,734$26,465$98,415$221,388
Boron; tellurium   $111,358 
Silicon, cont. by wt. not <99.99% of silicon$57,457 $6,629$228,140$37,412
Silicon, cont. by wt. <99.99% of silicon$523,257$185,220$629,019$168,560$713,106
Phosphorus $99,996  $74,026
Selenium$127,052 $92,258$320,256 
Total$2,856,423$2,117,269$3,259,648$35,005,944$4,173,613