|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Hydrogen | | | | | | $266 | |
| Argon | | | $4,620 | | | | $8,396 |
| Rare gases other than argon | $1,596 | $14,721 | $5,851 | $6,157 | $19,481 | $97,614 | $461,600 |
| Nitrogen | | | | $15,465 | | $12,529 | $284,609 |
| Oxygen | $319 | $199 | $572 | $104,306 | $9,423 | $34,253 | $40,997 |
| Silicon, cont. by wt. not <99.99% of silicon | | $11,441 | | | $23,080 | | $20,425 |
| Silicon, cont. by wt. <99.99% of silicon | $7,753 | | | | $441 | | $26,979 |
| Total | $9,668 | $26,361 | $11,043 | $125,928 | $52,425 | $144,662 | $843,006 |
|
|
