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

  MANNER OF |
  COLLISION |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,354       43.54       43.54
          1 |      1,031       10.31       53.85
          2 |      1,313       13.13       66.98
          3 |        188        1.88       68.86
          4 |        672        6.72       75.58
          5 |      1,844       18.44       94.02
          6 |          7        0.07       94.09
          7 |        301        3.01       97.10
          8 |        191        1.91       99.01
          9 |         27        0.27       99.28
         10 |          1        0.01       99.29
         11 |         22        0.22       99.51
         99 |         49        0.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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