|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Hydrogen | | $103 | $223 | | | | |
| Argon | $629 | $1,270 | $1,897 | $3,567 | $4,363 | $4,396 | $5,788 |
| Rare gases other than argon | $56,463 | $51,899 | $37,009 | $6,979 | $17,555 | $27,611 | $26,169 |
| Nitrogen | $653 | $4,477 | $1,723 | $1,064 | $361 | $440 | $2,778 |
| Oxygen | $63,498 | $87,657 | $38,288 | $26,205 | $19,025 | $14,185 | $7,243 |
| Silicon, cont. by wt. not <99.99% of silicon | $63 | $2,674 | | $3,476 | $789 | $229 | $308 |
| Silicon, cont. by wt. <99.99% of silicon | | $13,629 | $5,926 | $28,823 | $24,295 | $263 | $3,425 |
| Phosphorus | | | | $199 | | | |
| Arsenic | $156 | | | | | | |
| Total | $121,462 | $161,709 | $85,066 | $70,313 | $66,388 | $47,124 | $45,711 |
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