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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,241       62.41       62.41
          1 |        537        5.37       67.78
          2 |      1,181       11.81       79.59
          3 |          4        0.04       79.63
          4 |      1,864       18.64       98.27
          5 |        115        1.15       99.42
          6 |         52        0.52       99.94
          9 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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