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

    arr_min |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        248        2.48        2.48
          1 |         90        0.90        3.38
          2 |         83        0.83        4.21
          3 |        101        1.01        5.22
          4 |         89        0.89        6.11
          5 |        113        1.13        7.24
          6 |         73        0.73        7.97
          7 |         90        0.90        8.87
          8 |        101        1.01        9.88
          9 |         81        0.81       10.69
         10 |        154        1.54       12.23
         11 |         89        0.89       13.12
         12 |         79        0.79       13.91
         13 |         82        0.82       14.73
         14 |         90        0.90       15.63
         15 |        128        1.28       16.91
         16 |         82        0.82       17.73
         17 |         91        0.91       18.64
         18 |         86        0.86       19.50
         19 |         91        0.91       20.41
         20 |        141        1.41       21.82
         21 |        103        1.03       22.85
         22 |         78        0.78       23.63
         23 |         83        0.83       24.46
         24 |         79        0.79       25.25
         25 |        131        1.31       26.56
         26 |         90        0.90       27.46
         27 |         85        0.85       28.31
         28 |         94        0.94       29.25
         29 |        100        1.00       30.25
         30 |        161        1.61       31.86
         31 |         80        0.80       32.66
         32 |        101        1.01       33.67
         33 |         76        0.76       34.43
         34 |         80        0.80       35.23
         35 |        119        1.19       36.42
         36 |         69        0.69       37.11
         37 |         70        0.70       37.81
         38 |        101        1.01       38.82
         39 |         70        0.70       39.52
         40 |        145        1.45       40.97
         41 |         99        0.99       41.96
         42 |         90        0.90       42.86
         43 |         86        0.86       43.72
         44 |         75        0.75       44.47
         45 |        119        1.19       45.66
         46 |         96        0.96       46.62
         47 |         80        0.80       47.42
         48 |         94        0.94       48.36
         49 |         59        0.59       48.95
         50 |        139        1.39       50.34
         51 |         92        0.92       51.26
         52 |         85        0.85       52.11
         53 |         88        0.88       52.99
         54 |         95        0.95       53.94
         55 |        142        1.42       55.36
         56 |         94        0.94       56.30
         57 |         81        0.81       57.11
         58 |        103        1.03       58.14
         59 |         67        0.67       58.81
         97 |          4        0.04       58.85
         98 |         52        0.52       59.37
         99 |      4,063       40.63      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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