|
| Commodity | 2005 | 2007 | 2008 | 2009 | 2010 |
| Hydrogen | | $4,466 | | | |
| Argon | $14,604 | $12,444 | $11,935 | $57,541 | $20,315 |
| Rare gases other than argon | $4,646 | $5,444 | $2,614 | $3,716 | $11,142 |
| Nitrogen | $5,133 | $920 | $971 | $846 | $13,766 |
| Oxygen | $12,972 | $69,799 | $6,777 | $322 | $10,293 |
| Silicon, cont. by wt. <99.99% of silicon | $7,296 | $13,329 | $8,068 | $10,232 | $31,314 |
| Arsenic | $761 | | | | |
| Total | $45,412 | $106,402 | $30,365 | $72,657 | $86,830 |
|
|
