Product20012002200320042005
Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms (including latex) or in plates, sheets or strip$3,395,000$3,195,000$3,701,000$5,793,000 
Synthetic rubber; reclaimed rubber; waste, parings and scrap of unhardened rubber$6,278,000$3,797,000$3,262,000$5,989,000