50 and <=100]]> Mexico, United States 50-100 mm 3444563 1 3070226 21 374315 1 0 0 100 and <=250]]> Mexico, United States 100-250 mm 2869234 1 2752166 9 117057 1 0 0 250 and <=500]]> Mexico, United States 250-500 mm 103668 0 11100 0 92567 0 0 0 500 and <=750]]> United States 500-750 mm 0 0 750 and <=1000]]> 750-1000 mm 0 0 1000 and <=10000]]> more than 1000 mm 0 0