Frequencies for first 10,000 rows of acc_type variable in vehicle dataset :

 crash type |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         55        0.55        0.55
          1 |        870        8.70        9.25
          2 |        417        4.17       13.42
          3 |         11        0.11       13.53
          4 |          3        0.03       13.56
          5 |         14        0.14       13.70
          6 |        613        6.13       19.83
          7 |        322        3.22       23.05
          8 |          3        0.03       23.08
          9 |          1        0.01       23.09
         10 |         16        0.16       23.25
         11 |         45        0.45       23.70
         12 |         16        0.16       23.86
         13 |      1,540       15.40       39.26
         14 |         44        0.44       39.70
         15 |         30        0.30       40.00
         20 |        130        1.30       41.30
         21 |        117        1.17       42.47
         22 |         12        0.12       42.59
         23 |          1        0.01       42.60
         24 |        202        2.02       44.62
         25 |        196        1.96       46.58
         26 |          2        0.02       46.60
         27 |          4        0.04       46.64
         28 |         61        0.61       47.25
         29 |         47        0.47       47.72
         30 |          5        0.05       47.77
         31 |          8        0.08       47.85
         32 |         80        0.80       48.65
         33 |          2        0.02       48.67
         38 |          1        0.01       48.68
         39 |          1        0.01       48.69
         42 |          8        0.08       48.77
         44 |         37        0.37       49.14
         45 |        108        1.08       50.22
         46 |         41        0.41       50.63
         47 |         32        0.32       50.95
         48 |        108        1.08       52.03
         49 |          8        0.08       52.11
         50 |        366        3.66       55.77
         51 |        366        3.66       59.43
         52 |        204        2.04       61.47
         53 |          6        0.06       61.53
         54 |          4        0.04       61.57
         55 |          4        0.04       61.61
         58 |          6        0.06       61.67
         59 |          6        0.06       61.73
         62 |          6        0.06       61.79
         64 |        118        1.18       62.97
         65 |        118        1.18       64.15
         66 |        138        1.38       65.53
         67 |          4        0.04       65.57
         68 |        349        3.49       69.06
         69 |        349        3.49       72.55
         70 |          8        0.08       72.63
         71 |          8        0.08       72.71
         72 |         19        0.19       72.90
         73 |         19        0.19       73.09
         74 |         10        0.10       73.19
         75 |          2        0.02       73.21
         76 |          7        0.07       73.28
         77 |          7        0.07       73.35
         78 |         17        0.17       73.52
         79 |         17        0.17       73.69
         80 |          3        0.03       73.72
         81 |          3        0.03       73.75
         82 |        159        1.59       75.34
         83 |        159        1.59       76.93
         84 |         14        0.14       77.07
         85 |          2        0.02       77.09
         86 |        152        1.52       78.61
         87 |        152        1.52       80.13
         88 |        209        2.09       82.22
         89 |        209        2.09       84.31
         90 |          8        0.08       84.39
         91 |          8        0.08       84.47
         92 |         15        0.15       84.62
         93 |          3        0.03       84.65
         98 |      1,463       14.63       99.28
         99 |         72        0.72      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016