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

  MANNER OF |
  COLLISION |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,506       45.06       45.06
          1 |        893        8.93       53.99
          2 |      1,759       17.59       71.58
          4 |      2,533       25.33       96.91
          5 |        152        1.52       98.43
          6 |        104        1.04       99.47
          9 |         53        0.53      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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