Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Hydrogen | | | | | $365 | | |
Argon | $31,669 | $83,319 | $35,295 | $16,310 | $30,975 | $34,510 | $35,544 |
Rare gases other than argon | $122,822 | $6,338 | $11,022 | $185 | $2,555 | $16,745 | $5,217 |
Nitrogen | $11,361 | $4,045 | $45,641 | $88,481 | $23,294 | $8,659 | $1,477 |
Oxygen | $83,402 | $19,182 | $257,702 | $16,836 | $12,531 | $13,200 | $28,811 |
Boron; tellurium | $1,110 | $1,751 | $6,150 | $1,771 | | $318 | |
Silicon, cont. by wt. not <99.99% of silicon | | $176 | $1,033 | $1,952 | $1,752 | $3,769 | $12,149 |
Silicon, cont. by wt. <99.99% of silicon | $12,687 | $2,504 | $12,904 | $2,546 | $4,245 | $6,439 | $3,273 |
Phosphorus | | | $64 | | | | $43,603 |
Arsenic | $167,430 | $24,873 | $30,797 | | | | |
Selenium | $20,723 | $388,867 | $22,103 | | $38,675 | $286,364 | $364,109 |
Total | $451,204 | $531,055 | $422,711 | $128,081 | $114,392 | $370,004 | $494,183 |
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