Commodity2005200620072008200920102011
Hard rubber (e.g., ebonite) in all forms, incl. waste & scrap; arts. of har ...$1,729,876$2,095,172$2,446,533$3,290,293$2,814,474$2,816,910$4,322,446
Total$1,729,876$2,095,172$2,446,533$3,290,293$2,814,474$2,816,910$4,322,446