50 and <=100]]> United States, Mexico 50-100 mm 3578063 2 530536 3047527 0 1 100 and <=250]]> United States, Mexico 100-250 mm 221223 0 49332 171891 0 0 250 and <=500]]> United States, Mexico 250-500 mm 7104 0 7027 77 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