Commodity2005200620072008200920102011
Siliceous fossil meals (e.g., kieselguhr, tripolite & diatomite) & sim. sil ...$3,734,986$2,724,196$3,014,140$3,298,173$3,258,495$3,731,791$4,164,630
Total$3,734,986$2,724,196$3,014,140$3,298,173$3,258,495$3,731,791$4,164,630