|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Hydrogen | | | $241 | $92 | $9,605 | |
| Argon | $11,705 | $10,765 | $8,375 | $27,167 | | $32,386 |
| Rare gases other than argon | $48,252 | | $398 | | $58 | |
| Nitrogen | | $5,093 | $2,924 | $6,149 | | $14,461 |
| Oxygen | $107 | $4,181 | | | | $711 |
| Silicon, cont. by wt. <99.99% of silicon | | | | $319 | | |
| Arsenic | | | $283 | | | |
| Total | $60,064 | $20,039 | $12,221 | $33,727 | $9,663 | $47,558 |
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