Commodity2005200620072008200920102011
Hydrogen$575$583 $620$1,832 $2,770
Argon$2,863$8,392$10,161$2,187$125$11,828$41,760
Rare gases other than argon$158,758$136,232$106,715$145,591$39,691$134,594$282,754
Nitrogen$30 $3,436$3,723$5,683$4,928$6,146
Oxygen$753$1,177$46$135$5,284  
Boron; tellurium      $679
Silicon, cont. by wt. not <99.99% of silicon$4$5 $847$200$26 
Silicon, cont. by wt. <99.99% of silicon$571$2,628$2,758$42,334$9,169$46,539$876
Phosphorus   $1,645 $251$2,251
Selenium$121    $1,980 
Total$163,675$149,017$123,116$197,082$61,984$200,146$337,236