|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Hydrogen | $2,307 | $5,771 | $67,764 | $33,198 | $6,282 | $2,258 | |
| Argon | $51,208 | $71,080 | $111,151 | $158,147 | $152,300 | $94,028 | $92,506 |
| Rare gases other than argon | $23,378 | $183,654 | $186,536 | $98,033 | $17,314 | $27,351 | $56,838 |
| Nitrogen | $99,136 | $126,088 | $24,329 | $228,628 | $66,257 | $20,149 | $8,321 |
| Oxygen | $39,493 | $217,350 | $44,378 | $31,104 | $12,921 | $37,877 | $115,817 |
| Silicon, cont. by wt. not <99.99% of silicon | | | $100 | | | | |
| Silicon, cont. by wt. <99.99% of silicon | $412 | $4,294 | $26,447 | | $44,842 | $10,130 | |
| Phosphorus | $38,117 | $57,648 | $63,137 | $34 | $155,245 | $79,426 | |
| Arsenic | $21 | | $203 | | | | $1,480 |
| Selenium | | | $178 | $8,205 | | $8,717 | $132 |
| Total | $254,072 | $665,885 | $524,223 | $557,349 | $455,161 | $279,936 | $275,094 |
|
|
