Commodity | 2005 | 2007 | 2008 | 2009 | 2010 |
Hydrogen | $1,331 | | $14,325 | | $66,400 |
Argon | | $8,837 | $692 | $9,077 | $44,943 |
Rare gases other than argon | | | $15,980 | $6,120 | $2,095 |
Nitrogen | | | $3,400 | | $2,609 |
Oxygen | | | $53,073 | $14,438 | $444 |
Boron; tellurium | | $266 | | | |
Total | $1,331 | $9,103 | $87,470 | $29,635 | $116,491 |
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