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

  MANNER OF |
  COLLISION |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,583       45.83       45.83
          1 |        843        8.43       54.26
          2 |      1,696       16.96       71.22
          4 |      2,470       24.70       95.92
          5 |        225        2.25       98.17
          6 |        155        1.55       99.72
          9 |         28        0.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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