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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,668       46.68       46.68
          1 |        757        7.57       54.25
          2 |      1,458       14.58       68.83
          3 |          9        0.09       68.92
          4 |      2,824       28.24       97.16
          7 |        266        2.66       99.82
          9 |         18        0.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016