|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Hydrogen | | | | | | $490 |
| Argon | | | | $204 | | |
| Rare gases other than argon | $404 | $1,025 | $1,926 | $68 | | $104 |
| Nitrogen | | | | $68 | | |
| Oxygen | $14,426 | $17,548 | $13,736 | $10,601 | $12,234 | $15,738 |
| Silicon, cont. by wt. <99.99% of silicon | | | | $1,700 | $93 | |
| Phosphorus | | | | $101 | | |
| Total | $14,830 | $18,573 | $15,662 | $12,742 | $12,327 | $16,332 |
|
|
