Commodity2005200620072008200920102011
Hydrogen$5,821$11,953$6,697$19,383$4,179$8,413$15,155
Argon$168,803$239,068$170,628$164,053$214,284$189,189$187,608
Rare gases other than argon$325,752$310,530$558,821$369,351$448,438$792,061$747,100
Nitrogen$37,471$19,337$13,279$20,830$124,797$67,211$64,548
Oxygen$975,435$534,052$318,656$697,420$1,667,751$2,434,462$3,123,909
Boron; tellurium      $211
Silicon, cont. by wt. not <99.99% of silicon $14,017$6,001 $3,070$461$24,655
Silicon, cont. by wt. <99.99% of silicon$369,596$256,874$248,567$358,076$213,548$576,782$487,775
Arsenic  $2,185    
Selenium  $29,408$31,204 $17,952$50,025
Total$1,882,878$1,385,831$1,354,242$1,660,317$2,676,067$4,086,531$4,700,986