Commodity2005200620072008200920102011
Siliceous fossil meals (e.g., kieselguhr, tripolite & diatomite) & sim. sil ...$81,431$148,247$143,649$217,601$233,297$392,196$275,952
Total$81,431$148,247$143,649$217,601$233,297$392,196$275,952