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

  MANNER OF |
  COLLISION |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,411       44.11       44.11
          1 |        923        9.23       53.34
          2 |      1,787       17.87       71.21
          4 |      2,536       25.36       96.57
          5 |        215        2.15       98.72
          6 |        107        1.07       99.79
          9 |         21        0.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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