Commodity2005200620072008200920102011
Siliceous fossil meals (e.g., kieselguhr, tripolite & diatomite) & sim. sil ...$26,186$27,468$73,576$39,829$37,028$20,964$26,961
Total$26,186$27,468$73,576$39,829$37,028$20,964$26,961