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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,785       47.85       47.85
          1 |        613        6.13       53.98
          2 |      1,854       18.54       72.52
          4 |      2,576       25.76       98.28
          5 |         82        0.82       99.10
          6 |         71        0.71       99.81
          9 |         19        0.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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