50 and <=100]]> China, Russia, North Korea, South Korea, Japan 50-100 mm 30436634 17 12165360 20316 7364630 6656504 4229824 6 0 4 3 2 100 and <=250]]> China, Russia, North Korea, South Korea, Japan 100-250 mm 25649502 16 13775537 16965 4284149 3642945 3929906 9 0 2 2 2 250 and <=500]]> China, Russia, North Korea, South Korea, Japan 250-500 mm 728190 0 86455 92 335312 155899 150432 0 0 0 0 0 500 and <=750]]> North Korea, South Korea, Japan 500-750 mm 5931 0 0 0 415 624 4892 0 0 0 0 0 750 and <=1000]]> Japan 750-1000 mm 1841 0 0 0 0 0 1841 0 0 0 0 0 1000 and <=10000]]> Japan more than 1000 mm 1819 0 0 0 0 0 1819 0 0 0 0 0