Commodity2005200620072008200920102011
Siliceous fossil meals (e.g., kieselguhr, tripolite & diatomite) & sim. sil ...$63,384$90,703$140,490$113,483$61,386$30,895$99,746
Total$63,384$90,703$140,490$113,483$61,386$30,895$99,746