Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Hydrogen | $2,137 | $3,722 | $2,801 | $2,766 | $974 | $1,539 | $3,080 |
Argon | $32,150 | $24,238 | $30,897 | $32,303 | $28,099 | $36,836 | $49,270 |
Rare gases other than argon | $75,005 | $106,299 | $98,161 | $67,030 | $76,017 | $55,987 | $88,977 |
Nitrogen | $6,725 | $3,358 | $4,574 | $3,766 | $30,545 | $9,876 | $7,493 |
Oxygen | $27,766 | $80,751 | $95,514 | $87,183 | $98,125 | $165,720 | $142,040 |
Silicon, cont. by wt. not <99.99% of silicon | $22 | $1,645 | $1,957 | $1,665 | | $1,822 | |
Silicon, cont. by wt. <99.99% of silicon | $66,478 | $3,157 | $9,403 | $7,691 | $88,945 | $60,626 | $502 |
Phosphorus | | $403 | $1,805 | | $418 | $381 | $247 |
Arsenic | $22 | | | $48 | $46 | | |
Total | $210,305 | $223,573 | $245,112 | $202,452 | $323,169 | $332,787 | $291,609 |
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