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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,381       63.81       63.81
          1 |        543        5.43       69.24
          2 |      1,180       11.80       81.04
          4 |      1,702       17.02       98.06
          5 |        120        1.20       99.26
          6 |         69        0.69       99.95
          9 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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