Commodity200520062007200820092010
Hydrogen$1,874 $945 $1,839$7,603
Argon$61,585$56,405$34,018$351,517$233,573$193,008
Rare gases other than argon$12,406$11,354$14,639$67,281$21,807$11,822
Nitrogen$18,138$21,551$195,146$25,327$23,744$21,241
Oxygen$128,042$239,983$211,492$224,056$220,059$284,855
Silicon, cont. by wt. <99.99% of silicon$1,332$5,705 $736$1,550$1,228
Phosphorus$1,603     
Total$224,980$334,998$456,240$668,917$502,572$519,757