Commodity2005200620072008200920102011
Siliceous fossil meals (e.g., kieselguhr, tripolite & diatomite) & sim. sil ...$39,619$67,109$83,443$60,746$138,976$261,317$209,654
Total$39,619$67,109$83,443$60,746$138,976$261,317$209,654