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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,042       50.42       50.42
          1 |        734        7.34       57.76
          2 |      1,794       17.94       75.70
          3 |          2        0.02       75.72
          4 |      2,193       21.93       97.65
          5 |        156        1.56       99.21
          6 |         72        0.72       99.93
          9 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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