17 and <=33]]> Vietnam, Burma, China, Laos TS 853337 376138 262529 213997 673 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