50 and <=100]]> China, Russia, North Korea, South Korea 50-100 mm 37604746 21 33496597 31044 3478723 598382 19 0 1 0 100 and <=250]]> Russia, China, North Korea, South Korea 100-250 mm 8415349 5 5795992 3554 2481150 134653 3 0 1 0 250 and <=500]]> North Korea, South Korea 250-500 mm 101353 0 0 0 38468 62885 0 0 0 0 500 and <=750]]> South Korea 500-750 mm 1083 0 0 0 0 1083 0 0 0 0 750 and <=1000]]> 750-1000 mm 0 0 1000 and <=10000]]> more than 1000 mm 0 0