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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Hydrogen | | | | | | | $374 |
| Argon | $235,899 | $4,840 | $1,824 | $3,835 | $2,721 | $2,377 | $4,278 |
| Rare gases other than argon | $13,351 | $2,419 | $1,364 | $27,070 | $47,288 | $5,173 | $3,985 |
| Nitrogen | $2,130 | $653 | $8,423 | $8,271 | $4,611 | $3,083 | $3,664 |
| Oxygen | $16,910 | $16,633 | $22,848 | $66,280 | $33,338 | $21,150 | $39,496 |
| Silicon, cont. by wt. <99.99% of silicon | $831 | $26 | | | | | |
| Total | $269,121 | $24,571 | $34,459 | $105,456 | $87,958 | $31,783 | $51,797 |
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