50 and <=100]]> China, Russia, North Korea, Japan, South Korea 50-100 mm 53372195 30 5279096 38671 2076199 11941159 34037070 3 0 1 6 19 100 and <=250]]> China, North Korea, Japan, South Korea 100-250 mm 54857034 35 16366026 0 22382175 1535335 14573498 10 0 15 0 9 250 and <=500]]> North Korea, South Korea 250-500 mm 813424 0 0 0 391840 0 421584 0 0 0 0 0 500 and <=750]]> 500-750 mm 0 0 750 and <=1000]]> 750-1000 mm 0 0 1000 and <=10000]]> more than 1000 mm 0 0