Commodity2005200620072008200920102011
Colloidal precious metals$59,405$93,553$100,762$220,170$62,748$153,101$180,491
Silver nitrate$207,507$274,689$382,383$338,360$154,392$241,488$504,121
Silver comps. other than silver nitrate$80,951$63,152$102,340$61,000$54,798$86,668$341,249
Gold comps.$314,214$454,916$1,077,280$559,020$1,249,859$1,194,059$2,130,019
Inorganic/organic comps. of precious metals, whether or not chemically defi ...$918,323$2,358,979$2,117,363$3,040,770$336,562$743,822$1,418,811
Total$1,580,400$3,245,289$3,780,128$4,219,320$1,858,359$2,419,138$4,574,691