Commodity200520062007200820102011
Ion-exchangers based on polymers of 39.01-39.13, in primary forms$3,568,585$6,449,986$8,129,808$7,859,650$4,884,998$7,521,054
Total$3,568,585$6,449,986$8,129,808$7,859,650$4,884,998$7,521,054