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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,243       62.43       62.43
          1 |        490        4.90       67.33
          2 |      1,284       12.84       80.17
          3 |          1        0.01       80.18
          4 |      1,789       17.89       98.07
          5 |        129        1.29       99.36
          6 |         61        0.61       99.97
          9 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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