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

  MANNER OF |
  COLLISION |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,038       50.38       50.38
          1 |        689        6.89       57.27
          2 |      1,679       16.79       74.06
          4 |      2,296       22.96       97.02
          5 |        144        1.44       98.46
          6 |         66        0.66       99.12
          9 |         88        0.88      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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