Commodity200520062007200820092010
Siliceous fossil meals (e.g., kieselguhr, tripolite & diatomite) & sim. sil ...$645,133$577,938$771,622$938,929$1,262,980$1,333,494
Total$645,133$577,938$771,622$938,929$1,262,980$1,333,494