|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Argon | | | | | | | $19,345 |
| Rare gases other than argon | | | | | | | $1,766 |
| Nitrogen | $94,550 | $108,000 | $62,698 | $81,515 | $73,938 | $146,818 | $76,554 |
| Oxygen | $509,868 | $675,180 | $553,829 | $337,903 | $224,724 | $761,110 | $676,705 |
| Silicon, cont. by wt. <99.99% of silicon | | $660 | | | | | |
| Total | $604,418 | $783,840 | $616,527 | $419,418 | $298,662 | $907,928 | $774,370 |
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