Commodity2005200620072008200920102011
Siliceous fossil meals (e.g., kieselguhr, tripolite & diatomite) & sim. sil ...$74,338$232,361$187,704$288,085$137,067$224,158$173,424
Total$74,338$232,361$187,704$288,085$137,067$224,158$173,424