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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,667       46.67       46.67
          1 |        943        9.43       56.10
          2 |      1,898       18.98       75.08
          3 |          3        0.03       75.11
          4 |      2,199       21.99       97.10
          5 |        199        1.99       99.09
          6 |         83        0.83       99.92
          9 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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