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

  MANNOR OF |
  COLLISION |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,013       60.13       60.13
          1 |        526        5.26       65.39
          2 |      1,154       11.54       76.93
          4 |      2,108       21.08       98.01
          5 |         91        0.91       98.92
          6 |         81        0.81       99.73
          9 |         27        0.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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