17 and <=33]]> China, Vietnam, Laos TS 22603702 857 10801824 11768335 33543 478 377 0 33 and <=43]]> CAT. 1 0 0 43 and <=50]]> CAT. 2 0 0 50 and <=58]]> CAT. 3 0 0 58 and <=70]]> CAT. 4 0 0 70 and <=1000]]> CAT. 5 0 0