Commodity200520062007200820092010
Hydrogen     $49,621
Argon    $4,825$21,520
Nitrogen     $109,589
Oxygen$860 $688$261$105,833$16,727
Boron; tellurium$1,727,520$1,304,639$273,682$196,889  
Silicon, cont. by wt. not <99.99% of silicon $59,552$96,967 $56 
Total$1,728,380$1,364,191$371,337$197,150$110,714$197,457