Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Hydrogen | $228,158 | $680,971 | $542,634 | $351,457 | $242,534 | $258,848 | $290,263 |
Argon | $569,923 | $1,403,254 | $3,172,727 | $2,895,083 | $3,229,045 | $3,128,263 | $4,280,953 |
Rare gases other than argon | $2,486,591 | $2,609,342 | $3,250,282 | $3,982,272 | $3,257,653 | $2,781,320 | $4,372,279 |
Nitrogen | $1,165,885 | $1,466,680 | $1,724,395 | $3,115,302 | $1,680,527 | $2,688,087 | $3,867,633 |
Oxygen | $897,444 | $1,177,638 | $2,569,721 | $2,625,337 | $1,288,285 | $1,317,218 | $3,219,877 |
Boron; tellurium | $3,009 | $1,925 | $2,499 | $31,521 | $8,956 | $8,657 | $718 |
Silicon, cont. by wt. not <99.99% of silicon | $75,143,602 | $117,966,352 | $186,701,275 | $277,395,286 | $429,405,762 | $423,426,465 | $357,963,174 |
Silicon, cont. by wt. <99.99% of silicon | $30,097,957 | $34,988,210 | $50,183,373 | $85,675,908 | $44,940,186 | $88,355,253 | $126,737,337 |
Phosphorus | $42,493 | $3,276 | $1,322 | $52,626 | $2,682 | | |
Arsenic | | $865 | $462 | | | $2,073 | |
Selenium | $48,380 | $67,373 | $620,999 | $1,692 | $121,405 | $516 | $7,522 |
Total | $110,683,442 | $160,365,886 | $248,769,689 | $376,126,484 | $484,177,035 | $521,966,700 | $500,739,756 |
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