50 and <=100]]> United States, Mexico 50-100 mm 46436601 26 7948097 38488504 4 22 100 and <=250]]> United States, Mexico 100-250 mm 11318533 7 6801088 4517445 4 2 250 and <=500]]> United States, Mexico 250-500 mm 266623 0 582 266041 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