Frequencies for man_coll variable in person dataset :

  MANNER OF |
  COLLISION |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        450       55.15       55.15
          1 |         67        8.21       63.36
          2 |        111       13.60       76.96
          4 |         64        7.84       84.80
          5 |         46        5.64       90.44
          7 |         30        3.68       94.12
          8 |         41        5.02       99.14
          9 |          7        0.86      100.00
------------+-----------------------------------
      Total |        816      100.00

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