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

    arr_min |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        236        2.36        2.36
          1 |         77        0.77        3.13
          2 |         72        0.72        3.85
          3 |         73        0.73        4.58
          4 |         74        0.74        5.32
          5 |        107        1.07        6.39
          6 |         80        0.80        7.19
          7 |         80        0.80        7.99
          8 |         81        0.81        8.80
          9 |         81        0.81        9.61
         10 |        131        1.31       10.92
         11 |         76        0.76       11.68
         12 |         87        0.87       12.55
         13 |         64        0.64       13.19
         14 |         73        0.73       13.92
         15 |        121        1.21       15.13
         16 |         70        0.70       15.83
         17 |         67        0.67       16.50
         18 |         70        0.70       17.20
         19 |         90        0.90       18.10
         20 |        117        1.17       19.27
         21 |         62        0.62       19.89
         22 |         87        0.87       20.76
         23 |         78        0.78       21.54
         24 |         74        0.74       22.28
         25 |         96        0.96       23.24
         26 |         81        0.81       24.05
         27 |         62        0.62       24.67
         28 |         79        0.79       25.46
         29 |         84        0.84       26.30
         30 |        142        1.42       27.72
         31 |         50        0.50       28.22
         32 |         69        0.69       28.91
         33 |         56        0.56       29.47
         34 |         87        0.87       30.34
         35 |        114        1.14       31.48
         36 |         89        0.89       32.37
         37 |         77        0.77       33.14
         38 |         80        0.80       33.94
         39 |         76        0.76       34.70
         40 |        122        1.22       35.92
         41 |         81        0.81       36.73
         42 |         67        0.67       37.40
         43 |         70        0.70       38.10
         44 |         73        0.73       38.83
         45 |        123        1.23       40.06
         46 |         64        0.64       40.70
         47 |         66        0.66       41.36
         48 |         72        0.72       42.08
         49 |         72        0.72       42.80
         50 |        115        1.15       43.95
         51 |         60        0.60       44.55
         52 |         92        0.92       45.47
         53 |         68        0.68       46.15
         54 |         72        0.72       46.87
         55 |        111        1.11       47.98
         56 |         65        0.65       48.63
         57 |         77        0.77       49.40
         58 |         80        0.80       50.20
         59 |         73        0.73       50.93
         97 |          1        0.01       50.94
         98 |         33        0.33       51.27
         99 |      4,873       48.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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