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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Hydrogen | $28,901 | $106,902 | $175,146 | $52,328 | $8,980 |
| Argon | $105,061 | $88,787 | $172,163 | $343,879 | $148,238 |
| Rare gases other than argon | $64,458 | $79,357 | $85,421 | $101,598 | $123,010 |
| Nitrogen | $72,721 | $180,098 | $241,955 | $358,700 | $368,106 |
| Oxygen | $310,557 | $283,747 | $728,802 | $716,174 | $596,274 |
| Silicon, cont. by wt. <99.99% of silicon | $20,996 | $7,644 | $27,968 | $19,416 | $22,815 |
| Arsenic | $44 | | | | |
| Selenium | $21 | $123 | | | $115 |
| Total | $602,759 | $746,658 | $1,431,455 | $1,592,095 | $1,267,538 |
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