50 and <=100]]> China, Russia, Japan, North Korea, South Korea 50-100 mm 24781237 14 904337 740668 13866653 1014043 8255535 0 0 7 0 4 100 and <=250]]> Russia, Japan, North Korea, South Korea 100-250 mm 15904306 10 0 60074 4965014 156841 10722375 0 0 3 0 6 250 and <=500]]> South Korea, Japan 250-500 mm 1247733 1 0 0 1247016 0 716 0 0 1 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