50 and <=100]]> Russia, North Korea, South Korea, Japan 50-100 mm 20969099 11 698 4404080 2204 6820831 9741284 0 2 0 3 5 100 and <=250]]> North Korea, South Korea, Japan 100-250 mm 9409190 5 0 682818 14529 7054846 1656996 0 0 0 4 1 250 and <=500]]> 250-500 mm 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