Commodity2005200620072008200920102011
Ion-exchangers based on polymers of 39.01-39.13, in primary forms$210,214,563$211,205,988$208,161,712$205,403,208$189,863,653$267,275,830$275,929,005
Total$210,214,563$211,205,988$208,161,712$205,403,208$189,863,653$267,275,830$275,929,005