|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Hydrogen | $9,077 | $25,164 | $3,120 | $1,492 | $57,596 |
| Argon | $62,311 | $82,663 | $42,039 | $79,606 | $344,907 |
| Rare gases other than argon | $74,906 | $69,596 | $70,315 | $180,177 | $180,146 |
| Nitrogen | $8,918 | $35,102 | $100,288 | $11,334 | $18,537 |
| Oxygen | $22,350 | $16,361 | $25,226 | $174,023 | $154,933 |
| Silicon, cont. by wt. <99.99% of silicon | $3,008 | $15,248 | $16,314 | $9,567 | $16,634 |
| Arsenic | | | | | $6,742 |
| Selenium | | | | | $9,621 |
| Total | $180,570 | $244,134 | $257,302 | $456,199 | $789,116 |
|
|
