50 and <=100]]> China, North Korea, South Korea, Taiwan, Japan 50-100 mm 47924256 27 37224027 1997056 2882153 10294 5810726 21 1 1 0 3 100 and <=250]]> North Korea, South Korea, China, Japan, Taiwan 100-250 mm 50909808 34 11892310 13699941 23784365 41758 1491434 7 9 15 0 0 250 and <=500]]> North Korea 250-500 mm 4293886 3 0 4293886 0 0 0 0 3 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