17 and <=33]]> China, North Korea, South Korea, Japan TS 81682652 23735457 16051756 40283637 1611802 33 and <=43]]> North Korea, South Korea CAT. 1 9233798 0 489597 8744201 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