Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Hydrogen | $8,113 | $1,671 | $6,141 | $779 | $986 | $5,973 | $16,439 |
Argon | $23,422 | $30,510 | $28,417 | $1,106 | $4,974 | $53,578 | $74,777 |
Rare gases other than argon | $270,942 | $384,398 | $459,690 | $456,157 | $487,806 | $967,176 | $1,280,905 |
Nitrogen | $29,117 | $25,736 | $44,079 | $37,704 | $45,768 | $48,735 | $49,001 |
Oxygen | $386,122 | $416,755 | $584,196 | $434,438 | $439,652 | $591,799 | $466,354 |
Boron; tellurium | | $52 | | | | | $25,602 |
Silicon, cont. by wt. not <99.99% of silicon | $50,685 | $4,032 | $7,037 | $5,666 | $13,497 | $19,322 | $17,012 |
Silicon, cont. by wt. <99.99% of silicon | $26,539 | $19,053 | $254,116 | $14,430 | $4,056 | $19,269 | $28,973 |
Phosphorus | $938 | $41 | | | $174 | $715 | |
Arsenic | | $365 | $359 | | $3 | $124 | |
Selenium | | $3,891 | $367 | $8 | $100 | $210 | |
Total | $795,878 | $886,504 | $1,384,402 | $950,288 | $997,016 | $1,706,901 | $1,959,063 |
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