Commodity200520062007200820092010
Hydrogen$2,287 $2,624$4,469$8,377$2,443
Argon$12,345$27,788$51,379$344,327$294,593$1,066,186
Rare gases other than argon$4,609$10,261$6,298$16,310$3,928$7,129
Nitrogen$1,067$7,355$183$381$3,936$4,918
Oxygen$268$3,666$40,843$1,599$4,125$6,481
Boron; tellurium $128    
Silicon, cont. by wt. not <99.99% of silicon$1,377$2,857$3,262$3,337$6,767$1,349
Silicon, cont. by wt. <99.99% of silicon $27,958$42,029$43,872 $344
Phosphorus $1,162$187$8,320$6,586 
Arsenic  $56   
Selenium $161 $1,498  
Total$21,953$81,336$146,861$424,113$328,312$1,088,850