Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Hydrogen | $10,043 | $12,521 | $71,892 | $41,620 | $32,742 | $34,702 | $33,257 |
Argon | $1,167,760 | $1,530,457 | $2,903,711 | $3,402,084 | | $2,846,037 | $3,375,945 |
Rare gases other than argon | $1,022,195 | $1,756,447 | $1,954,199 | $2,502,038 | $18,267 | $1,767,857 | $2,007,316 |
Nitrogen | $507,396 | $906,524 | $1,121,647 | $695,504 | | $2,482,606 | $1,133,403 |
Oxygen | $758,725 | $1,177,639 | $1,313,019 | $1,427,277 | | $1,694,975 | $1,639,517 |
Boron; tellurium | | | | $4,063 | | | |
Silicon, cont. by wt. not <99.99% of silicon | $6,407,496 | $7,394,703 | $9,482,454 | $26,050,376 | | $30,915,615 | $32,594,617 |
Silicon, cont. by wt. <99.99% of silicon | $42,717 | $2,514 | $63,839 | | $209,466 | $21,251 | $248,809 |
Phosphorus | $24 | | | | | | $696 |
Arsenic | | | | | | $180 | $418 |
Selenium | $3,645,527 | $1,562,817 | $1,813,533 | $2,259,686 | | $2,843,227 | $7,497,736 |
Total | $13,561,883 | $14,343,622 | $18,724,294 | $36,382,648 | $260,475 | $42,606,450 | $48,531,714 |
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