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

    arr_min |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        223        2.23        2.23
          1 |         65        0.65        2.88
          2 |         75        0.75        3.63
          3 |         71        0.71        4.34
          4 |         72        0.72        5.06
          5 |        114        1.14        6.20
          6 |         68        0.68        6.88
          7 |         82        0.82        7.70
          8 |         78        0.78        8.48
          9 |         77        0.77        9.25
         10 |        118        1.18       10.43
         11 |         79        0.79       11.22
         12 |         88        0.88       12.10
         13 |         70        0.70       12.80
         14 |         86        0.86       13.66
         15 |        137        1.37       15.03
         16 |         65        0.65       15.68
         17 |         77        0.77       16.45
         18 |         75        0.75       17.20
         19 |         63        0.63       17.83
         20 |        135        1.35       19.18
         21 |         70        0.70       19.88
         22 |         69        0.69       20.57
         23 |         71        0.71       21.28
         24 |         62        0.62       21.90
         25 |         91        0.91       22.81
         26 |         68        0.68       23.49
         27 |         63        0.63       24.12
         28 |         80        0.80       24.92
         29 |         75        0.75       25.67
         30 |        142        1.42       27.09
         31 |         75        0.75       27.84
         32 |         75        0.75       28.59
         33 |         63        0.63       29.22
         34 |         81        0.81       30.03
         35 |        108        1.08       31.11
         36 |         60        0.60       31.71
         37 |         82        0.82       32.53
         38 |         76        0.76       33.29
         39 |         75        0.75       34.04
         40 |        130        1.30       35.34
         41 |         80        0.80       36.14
         42 |         68        0.68       36.82
         43 |         77        0.77       37.59
         44 |         71        0.71       38.30
         45 |        109        1.09       39.39
         46 |         71        0.71       40.10
         47 |         70        0.70       40.80
         48 |         86        0.86       41.66
         49 |         80        0.80       42.46
         50 |        112        1.12       43.58
         51 |         78        0.78       44.36
         52 |         88        0.88       45.24
         53 |         68        0.68       45.92
         54 |         72        0.72       46.64
         55 |        109        1.09       47.73
         56 |         73        0.73       48.46
         57 |         77        0.77       49.23
         58 |         76        0.76       49.99
         59 |         86        0.86       50.85
         97 |          2        0.02       50.87
         98 |         70        0.70       51.57
         99 |      4,843       48.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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