Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
Hydrogen | $1,874 | | $945 | | $1,839 | $7,603 |
Argon | $61,585 | $56,405 | $34,018 | $351,517 | $233,573 | $193,008 |
Rare gases other than argon | $12,406 | $11,354 | $14,639 | $67,281 | $21,807 | $11,822 |
Nitrogen | $18,138 | $21,551 | $195,146 | $25,327 | $23,744 | $21,241 |
Oxygen | $128,042 | $239,983 | $211,492 | $224,056 | $220,059 | $284,855 |
Silicon, cont. by wt. <99.99% of silicon | $1,332 | $5,705 | | $736 | $1,550 | $1,228 |
Phosphorus | $1,603 | | | | | |
Total | $224,980 | $334,998 | $456,240 | $668,917 | $502,572 | $519,757 |
|
|