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

    arr_min |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        220        2.20        2.20
          1 |         71        0.71        2.91
          2 |         77        0.77        3.68
          3 |         67        0.67        4.35
          4 |         81        0.81        5.16
          5 |         99        0.99        6.15
          6 |         73        0.73        6.88
          7 |         73        0.73        7.61
          8 |         94        0.94        8.55
          9 |         70        0.70        9.25
         10 |        105        1.05       10.30
         11 |         77        0.77       11.07
         12 |         86        0.86       11.93
         13 |         78        0.78       12.71
         14 |         67        0.67       13.38
         15 |        109        1.09       14.47
         16 |         75        0.75       15.22
         17 |         81        0.81       16.03
         18 |         88        0.88       16.91
         19 |         75        0.75       17.66
         20 |        128        1.28       18.94
         21 |         87        0.87       19.81
         22 |         77        0.77       20.58
         23 |         79        0.79       21.37
         24 |         72        0.72       22.09
         25 |        118        1.18       23.27
         26 |         84        0.84       24.11
         27 |         94        0.94       25.05
         28 |         76        0.76       25.81
         29 |         74        0.74       26.55
         30 |        137        1.37       27.92
         31 |         69        0.69       28.61
         32 |         67        0.67       29.28
         33 |         75        0.75       30.03
         34 |         79        0.79       30.82
         35 |        112        1.12       31.94
         36 |         79        0.79       32.73
         37 |         73        0.73       33.46
         38 |         89        0.89       34.35
         39 |         83        0.83       35.18
         40 |        126        1.26       36.44
         41 |         89        0.89       37.33
         42 |         67        0.67       38.00
         43 |         81        0.81       38.81
         44 |         83        0.83       39.64
         45 |        135        1.35       40.99
         46 |         79        0.79       41.78
         47 |         69        0.69       42.47
         48 |         94        0.94       43.41
         49 |         87        0.87       44.28
         50 |        121        1.21       45.49
         51 |         78        0.78       46.27
         52 |         77        0.77       47.04
         53 |         74        0.74       47.78
         54 |         63        0.63       48.41
         55 |        128        1.28       49.69
         56 |         72        0.72       50.41
         57 |         70        0.70       51.11
         58 |         86        0.86       51.97
         59 |         74        0.74       52.71
         97 |          1        0.01       52.72
         98 |         74        0.74       53.46
         99 |      4,654       46.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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