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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,236       62.36       62.36
          1 |        490        4.90       67.26
          2 |      1,154       11.54       78.80
          3 |          4        0.04       78.84
          4 |      1,925       19.25       98.09
          5 |        117        1.17       99.26
          6 |         61        0.61       99.87
          9 |         13        0.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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