|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Hydrogen | | $19,907 | $59,214 | $9,107 | $33,041 | |
| Argon | $193,460 | $161,929 | $197,790 | $198,849 | $339,748 | $462,151 |
| Rare gases other than argon | $80,866 | $253,628 | $141,411 | $58,790 | $7,713 | $45,563 |
| Nitrogen | $94,961 | $172,644 | $234,327 | $203,293 | $55,773 | $226,889 |
| Oxygen | $27,073 | $53,375 | $34,758 | $64,312 | $89,883 | $263,787 |
| Silicon, cont. by wt. <99.99% of silicon | $121 | $873 | | | | |
| Total | $396,481 | $662,356 | $667,500 | $534,351 | $526,158 | $998,390 |
|
|
