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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,478       64.78       64.78
          1 |        638        6.38       71.16
          2 |        791        7.91       79.07
          6 |      1,767       17.67       96.74
          7 |        160        1.60       98.34
          8 |         96        0.96       99.30
          9 |         13        0.13       99.43
         11 |         22        0.22       99.65
         98 |          6        0.06       99.71
         99 |         29        0.29      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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