Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Hydrogen | $55,242 | $16,868 | $100,597 | $21,364 | $47,696 | $42,133 | $640,951 |
Argon | $117,090 | $159,931 | $309,940 | $342,879 | $1,253,384 | $1,058,468 | $941,294 |
Rare gases other than argon | $4,958,432 | $5,055,911 | $5,756,642 | $6,178,052 | $6,283,084 | $5,395,726 | $4,216,119 |
Nitrogen | $994,440 | $1,137,394 | $2,749,004 | $2,014,167 | $1,730,364 | $1,282,316 | $2,512,534 |
Oxygen | $438,964 | $587,902 | $1,092,656 | $975,323 | $614,421 | $734,555 | $1,305,232 |
Boron; tellurium | $22,745 | $25,929 | $14,644 | $19,856 | $28,057 | $18,062 | $24,924 |
Silicon, cont. by wt. not <99.99% of silicon | $8,658,314 | $10,600,113 | $1,729,949 | $2,292,937 | $4,555,049 | $7,969,117 | $15,168,725 |
Silicon, cont. by wt. <99.99% of silicon | $8,351,152 | $14,499,089 | $24,639,731 | $37,398,879 | $12,827,602 | $29,687,982 | $43,868,237 |
Phosphorus | | | | | $30,981 | | $26,550 |
Arsenic | $31,975 | $35,215 | $52,543 | $57,392 | $54,813 | $34,454 | $36,226 |
Selenium | $5,487,134 | $2,378,984 | $909,674 | $457,857 | $541,279 | $1,587,701 | $1,654,319 |
Total | $29,115,488 | $34,497,336 | $37,355,380 | $49,758,706 | $27,966,730 | $47,810,514 | $70,395,111 |
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