Commodity | 2005 | 2006 | 2008 | 2009 | 2010 | 2011 |
Hydrogen | $42,084 | $2,843 | $4,029 | $791 | | |
Argon | $78,873 | $96,194 | $87,950 | $55,556 | $47,718 | $79,985 |
Rare gases other than argon | $36,840 | $35,209 | $20,632 | $5,753 | | $3,679 |
Nitrogen | $567,441 | $1,097,385 | $223,600 | $153,556 | $27,034 | $63,155 |
Oxygen | $663,656 | $475,344 | $324,481 | $227,396 | $489,669 | $188,117 |
Boron; tellurium | $39,104 | | | | | |
Silicon, cont. by wt. <99.99% of silicon | $1,910,312 | $1,177,291 | $1,461,303 | $268,316 | $93,706 | $36,906 |
Phosphorus | | $168 | | | | |
Arsenic | $19,500 | | | | | |
Selenium | $205,103 | | | | | |
Total | $3,562,913 | $2,884,434 | $2,121,995 | $711,368 | $658,127 | $371,842 |
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