Commodity2005200620072008200920102011
Siliceous fossil meals (e.g., kieselguhr, tripolite & diatomite) & sim. sil ...$15,902$19,216$23,039$19,153$50,404$346,753$504,901
Total$15,902$19,216$23,039$19,153$50,404$346,753$504,901