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

  MANNER OF |
  COLLISION |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,643       46.43       46.43
          1 |      1,072       10.72       57.15
          2 |      1,236       12.36       69.51
          3 |        110        1.10       70.61
          4 |        434        4.34       74.95
          5 |      1,881       18.81       93.76
          6 |         51        0.51       94.27
          7 |        322        3.22       97.49
          8 |        183        1.83       99.32
          9 |         11        0.11       99.43
         11 |         35        0.35       99.78
         99 |         22        0.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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