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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,072       50.72       50.72
          1 |        684        6.84       57.56
          2 |      1,508       15.08       72.64
          3 |          5        0.05       72.69
          4 |      2,451       24.51       97.20
          7 |        253        2.53       99.73
          9 |         27        0.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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