50 and <=100]]> China, Hong Kong, Laos, Vietnam 50-100 mm 21978077 12 18520354 655980 10380 2791363 10 0 0 1 100 and <=250]]> China 100-250 mm 10356142 6 10356142 0 0 0 6 0 0 0 250 and <=500]]> China 250-500 mm 329553 0 329553 0 0 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