Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Hydrogen | $237,081 | $10,547 | $21,326 | $16,767 | $16,274 | $169,629 | $230,999 |
Argon | $283,997 | $432,903 | $390,410 | $357,975 | $411,234 | $402,449 | $503,787 |
Rare gases other than argon | $3,164,686 | $4,032,254 | $1,824,782 | $3,369,294 | $3,473,784 | $6,157,716 | $6,608,042 |
Nitrogen | $619,096 | $348,638 | $290,219 | $429,291 | $407,922 | $642,249 | $450,036 |
Oxygen | $667,627 | $450,787 | $1,182,087 | $1,253,243 | $487,152 | $561,838 | $790,701 |
Boron; tellurium | $3,658,874 | $384,636 | $1,932,316 | $19,016,707 | $27,768,984 | $39,599,841 | $108,811,101 |
Silicon, cont. by wt. not <99.99% of silicon | $236,831 | $12,170,713 | $56,222,451 | $182,701,928 | $134,241,360 | $64,851,250 | $63,033,435 |
Silicon, cont. by wt. <99.99% of silicon | $4,140,981 | $2,290,287 | $10,469,905 | $52,697,993 | $19,664,920 | $14,713,259 | $19,799,890 |
Phosphorus | $733,475 | $1,030,783 | $855,469 | $1,125,484 | $2,063,856 | $2,119,025 | $2,944,688 |
Arsenic | | | | | | | $2,154 |
Selenium | $21,398,476 | $7,314,165 | $15,477,813 | $27,049,509 | $22,529,923 | $31,385,727 | $51,737,739 |
Total | $35,141,124 | $28,465,713 | $88,666,778 | $288,018,191 | $211,065,409 | $160,602,983 | $254,912,572 |
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