Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Hydrogen | $5,821 | $11,953 | $6,697 | $19,383 | $4,179 | $8,413 | $15,155 |
Argon | $168,803 | $239,068 | $170,628 | $164,053 | $214,284 | $189,189 | $187,608 |
Rare gases other than argon | $325,752 | $310,530 | $558,821 | $369,351 | $448,438 | $792,061 | $747,100 |
Nitrogen | $37,471 | $19,337 | $13,279 | $20,830 | $124,797 | $67,211 | $64,548 |
Oxygen | $975,435 | $534,052 | $318,656 | $697,420 | $1,667,751 | $2,434,462 | $3,123,909 |
Boron; tellurium | | | | | | | $211 |
Silicon, cont. by wt. not <99.99% of silicon | | $14,017 | $6,001 | | $3,070 | $461 | $24,655 |
Silicon, cont. by wt. <99.99% of silicon | $369,596 | $256,874 | $248,567 | $358,076 | $213,548 | $576,782 | $487,775 |
Arsenic | | | $2,185 | | | | |
Selenium | | | $29,408 | $31,204 | | $17,952 | $50,025 |
Total | $1,882,878 | $1,385,831 | $1,354,242 | $1,660,317 | $2,676,067 | $4,086,531 | $4,700,986 |
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