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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Hydrogen | $147 | | | | | $61 | |
| Argon | $1,815 | $500 | | $837 | $66,020 | $92,631 | $15,787 |
| Rare gases other than argon | $10,651 | $22,060 | $188 | $1,726 | $51,927 | $26,708 | $12,697 |
| Nitrogen | $1,292 | $4,725 | $549 | $9,928 | $180 | | $722 |
| Oxygen | $23,933 | $16,909 | $55 | $4,821 | $50,851 | $228,313 | $45,201 |
| Silicon, cont. by wt. <99.99% of silicon | $22,703 | $38,895 | $31,530 | $1,337 | $4,245 | $11,571 | $2,866 |
| Selenium | | | | $609 | | | |
| Total | $60,541 | $83,089 | $32,322 | $19,258 | $173,223 | $359,284 | $77,273 |
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