50 and <=100]]> China, Russia, North Korea, South Korea, Taiwan 50-100 mm 27278291 15 3270426 174899 9450 4874893 18948275 346 1 0 0 2 10 0 100 and <=250]]> Russia, China, North Korea, South Korea 100-250 mm 17002685 11 2679771 51527 26648 709892 13534846 0 1 0 0 0 8 0 250 and <=500]]> North Korea, South Korea, China 250-500 mm 2211214 1 1919978 0 51 90305 200878 0 1 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