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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Argon | $4,990 | $6,199 | $4,111 | $3,374 | $2,211 | $7,933 |
| Rare gases other than argon | $10,683 | $2,084 | $8,199 | $7,250 | $3,444 | $15,060 |
| Nitrogen | $1,314 | $2,353 | $1,754 | $4,429 | $6,310 | $1,899 |
| Oxygen | $58,401 | $85,285 | $100,970 | $106,756 | $119,413 | $105,770 |
| Silicon, cont. by wt. <99.99% of silicon | $989 | $384 | $3,609 | $898 | $3,890 | $504 |
| Phosphorus | | | | $312 | | |
| Total | $76,377 | $96,305 | $118,643 | $123,019 | $135,268 | $131,166 |
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