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

  MANNER OF |
  COLLISION |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,496       44.96       44.96
          1 |      1,162       11.62       56.58
          2 |      1,346       13.46       70.04
          3 |        159        1.59       71.63
          4 |        505        5.05       76.68
          5 |      1,798       17.98       94.66
          6 |          9        0.09       94.75
          7 |        279        2.79       97.54
          8 |        160        1.60       99.14
          9 |         24        0.24       99.38
         10 |          2        0.02       99.40
         11 |         19        0.19       99.59
         99 |         41        0.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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