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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,574       45.74       45.74
          1 |        867        8.67       54.41
          2 |      1,763       17.63       72.04
          3 |          4        0.04       72.08
          4 |      2,453       24.53       96.61
          5 |        237        2.37       98.98
          6 |         98        0.98       99.96
          9 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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