Frequencies for first 10,000 rows of arr_min variable in accident dataset :

    arr_min |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        385        3.85        3.85
          1 |         82        0.82        4.67
          2 |         63        0.63        5.30
          3 |         72        0.72        6.02
          4 |         79        0.79        6.81
          5 |        111        1.11        7.92
          6 |         90        0.90        8.82
          7 |        105        1.05        9.87
          8 |        104        1.04       10.91
          9 |         89        0.89       11.80
         10 |        146        1.46       13.26
         11 |         78        0.78       14.04
         12 |         91        0.91       14.95
         13 |         74        0.74       15.69
         14 |         81        0.81       16.50
         15 |        122        1.22       17.72
         16 |         84        0.84       18.56
         17 |         79        0.79       19.35
         18 |         83        0.83       20.18
         19 |         68        0.68       20.86
         20 |        121        1.21       22.07
         21 |         68        0.68       22.75
         22 |         88        0.88       23.63
         23 |         87        0.87       24.50
         24 |         91        0.91       25.41
         25 |        110        1.10       26.51
         26 |         76        0.76       27.27
         27 |         89        0.89       28.16
         28 |        103        1.03       29.19
         29 |         76        0.76       29.95
         30 |        141        1.41       31.36
         31 |         65        0.65       32.01
         32 |         83        0.83       32.84
         33 |         84        0.84       33.68
         34 |         76        0.76       34.44
         35 |        126        1.26       35.70
         36 |         69        0.69       36.39
         37 |        104        1.04       37.43
         38 |         73        0.73       38.16
         39 |         71        0.71       38.87
         40 |        133        1.33       40.20
         41 |         83        0.83       41.03
         42 |         81        0.81       41.84
         43 |         87        0.87       42.71
         44 |         83        0.83       43.54
         45 |        125        1.25       44.79
         46 |         73        0.73       45.52
         47 |         89        0.89       46.41
         48 |         80        0.80       47.21
         49 |         57        0.57       47.78
         50 |        120        1.20       48.98
         51 |         71        0.71       49.69
         52 |         97        0.97       50.66
         53 |        103        1.03       51.69
         54 |         92        0.92       52.61
         55 |        133        1.33       53.94
         56 |         89        0.89       54.83
         57 |         92        0.92       55.75
         58 |         96        0.96       56.71
         59 |         70        0.70       57.41
         99 |      4,259       42.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016