50 and <=100]]> China, Russia, North Korea, South Korea, Japan, Taiwan 50-100 mm 56006522 31 32207942 13484 10320034 3003128 93858 10368076 18 0 5 1 0 5 100 and <=250]]> Russia, China, North Korea, South Korea, Japan 100-250 mm 5444473 3 3614458 6302 340931 87208 1395574 0 2 0 0 0 1 0 250 and <=500]]> Japan 250-500 mm 3713 0 0 0 0 0 3713 0 0 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