17 and <=33]]> China, Vietnam, Laos, Thailand TS 1745721 25642 1711821 5978 2280 33 and <=43]]> CAT. 1 0 43 and <=50]]> CAT. 2 0 50 and <=58]]> CAT. 3 0 58 and <=70]]> CAT. 4 0 70 and <=1000]]> CAT. 5 0