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

  MANNER OF |
  COLLISION |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,424       44.24       44.24
          1 |        848        8.48       52.72
          2 |      1,414       14.14       66.86
          3 |        160        1.60       68.46
          4 |        881        8.81       77.27
          5 |      1,745       17.45       94.72
          6 |         15        0.15       94.87
          7 |        282        2.82       97.69
          8 |        138        1.38       99.07
          9 |          6        0.06       99.13
         11 |         19        0.19       99.32
         99 |         68        0.68      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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