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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,879       48.79       48.79
          1 |        759        7.59       56.38
          2 |      1,859       18.59       74.97
          4 |      2,292       22.92       97.89
          5 |        132        1.32       99.21
          6 |         75        0.75       99.96
          9 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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