Commodity200520062007200820092010
Hydrogen$13,456$18,460$32,420$12,026$13,361$113,589
Argon$530,345$559,384$765,689$1,191,335$1,218,413$1,384,805
Rare gases other than argon$325,102$524,454$499,626$768,358$1,341,279$741,207
Nitrogen$311,313$407,197$617,403$216,323$545,529$375,475
Oxygen$141,635$260,616$450,306$324,640$489,041$514,311
Boron; tellurium   $22,250$176$104
Silicon, cont. by wt. <99.99% of silicon$38,768$74,553$75,998$93,059$76,449$48,025
Phosphorus$28,137$193,234$61,730$1,531  
Arsenic$11,240$18,620$16,215$15,669$12,959$17,475
Selenium$134,973$144,992$117,583$164,496$174,004$213,651
Total$1,534,969$2,201,510$2,636,970$2,809,687$3,871,211$3,408,642