50 and <=100]]> Russia, China, North Korea, South Korea, Japan 50-100 mm 31087518 17 827675 1361544 5834160 23063946 192 0 0 3 12 0 100 and <=250]]> Russia, China, North Korea, Japan 100-250 mm 2376226 1 527942 14230 1833954 0 98 0 0 1 0 0 250 and <=500]]> Japan 250-500 mm 1514 0 0 0 0 0 1514 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