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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Argon | $978 | $8,016 | $79,179 | $61,157 | $7,315 | $6,636 | $6,028 |
| Rare gases other than argon | $4,363 | $15,430 | $60,183 | $152,982 | $76,796 | $56,993 | $39,905 |
| Nitrogen | $1,041 | $2,483 | $1,364 | $3,928 | $7,158 | $13,973 | $2,938 |
| Oxygen | $29,484 | $13,202 | $16,565 | $11,049 | | | |
| Silicon, cont. by wt. not <99.99% of silicon | | | | $15 | | | |
| Silicon, cont. by wt. <99.99% of silicon | | | | | $11,164 | $28,100 | $55,950 |
| Total | $35,866 | $39,131 | $157,291 | $229,131 | $102,433 | $105,702 | $104,821 |
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