Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Hydrogen | $608,397 | $810,210 | $522,420 | $728,128 | $651,805 | $573,698 | $680,699 |
Argon | $3,111,867 | $2,591,909 | $3,008,597 | $4,453,594 | $3,826,691 | $3,324,491 | $3,933,545 |
Rare gases other than argon | $3,995,975 | $5,358,541 | $8,702,882 | $7,255,288 | $6,077,352 | $5,612,438 | $6,837,243 |
Nitrogen | $3,473,252 | $3,015,208 | $3,053,589 | $4,012,684 | $3,182,563 | $4,502,154 | $5,133,841 |
Oxygen | $4,992,412 | $4,647,016 | $5,143,136 | $6,093,885 | $5,583,118 | $5,408,222 | $5,848,946 |
Boron; tellurium | $1,660 | $2,208 | $7,907 | $8,827 | $2,508 | $16,041 | $11,394 |
Silicon, cont. by wt. not <99.99% of silicon | $71,357,978 | $144,547,765 | $203,244,948 | $305,628,538 | $128,649,824 | $146,946,508 | $217,538,146 |
Silicon, cont. by wt. <99.99% of silicon | $1,842,100 | $1,405,843 | $7,276,901 | $13,297,977 | $2,980,618 | $3,348,049 | $3,904,658 |
Arsenic | $28,221 | $3,996 | | $9,573 | $5,373 | $1,963 | |
Selenium | $724,406 | $1,430,687 | $3,436,159 | $3,700,853 | $4,122,809 | $4,902,681 | $10,513,838 |
Total | $90,136,268 | $163,813,383 | $234,396,539 | $345,189,347 | $155,082,661 | $174,636,245 | $254,402,310 |
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