17 and <=33]]> China, North Korea, South Korea TS 47554086 1821341 15734986 29997759 33 and <=43]]> North Korea, South Korea CAT. 1 3253076 0 3248636 4440 43 and <=50]]> South Korea CAT. 2 193 0 0 193 50 and <=58]]> CAT. 3 0 58 and <=70]]> CAT. 4 0 70 and <=1000]]> CAT. 5 0