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

  MANNOR OF |
  COLLISION |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,043       60.43       60.43
          1 |        475        4.75       65.18
          2 |      1,219       12.19       77.37
          3 |          4        0.04       77.41
          4 |      2,059       20.59       98.00
          5 |        107        1.07       99.07
          6 |         90        0.90       99.97
          9 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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