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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Hydrogen | $1,731 | $5,332 | $15,612 | $13,866 | $9,541 | $13,588 | $10,155 |
| Argon | $1,253,513 | $1,283,560 | $1,463,854 | $1,541,465 | $814,791 | $865,428 | $841,345 |
| Rare gases other than argon | $62,986 | $70,399 | $85,325 | $56,727 | $47,223 | $40,619 | $109,865 |
| Nitrogen | $1,462,310 | $1,534,183 | $1,592,330 | $1,890,324 | $1,689,802 | $1,884,929 | $2,177,548 |
| Oxygen | $2,671,227 | $3,014,072 | $3,147,624 | $3,159,589 | $1,944,562 | $1,989,193 | $2,450,156 |
| Silicon, cont. by wt. not <99.99% of silicon | | | | | | $1,861 | |
| Silicon, cont. by wt. <99.99% of silicon | | | | | $175 | | |
| Total | $5,451,767 | $5,907,546 | $6,304,745 | $6,661,971 | $4,506,094 | $4,795,618 | $5,589,069 |
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