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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Hydrogen | $24,755 | $27,829 | $32,081 | $124,981 | $50,184 | $50,525 | $60,989 |
| Argon | $80,628 | $117,223 | $83,775 | $95,437 | $158,713 | $288,174 | $235,242 |
| Rare gases other than argon | $11,360 | $30,136 | $19,966 | $41,792 | $15,517 | $17,219 | $193,623 |
| Nitrogen | $119,937 | $501,946 | $790,349 | $1,165,047 | $1,198,491 | $1,243,042 | $269,525 |
| Oxygen | $1,465,660 | $2,199,634 | $2,225,961 | $2,147,234 | $2,330,254 | $2,241,795 | $1,463,424 |
| Silicon, cont. by wt. not <99.99% of silicon | | | | $288 | | | |
| Silicon, cont. by wt. <99.99% of silicon | | | | | | | $527 |
| Phosphorus | $21,031 | $20,785 | $13,099 | $7,589 | | | |
| Selenium | $8,057 | $2,802 | $13,816 | $1,706 | $11,493 | $2,357 | $23,201 |
| Total | $1,731,428 | $2,900,355 | $3,179,047 | $3,584,074 | $3,764,652 | $3,843,112 | $2,246,531 |
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