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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,225       62.25       62.25
          1 |        512        5.12       67.37
          2 |      1,234       12.34       79.71
          4 |      1,806       18.06       97.77
          5 |        143        1.43       99.20
          6 |         71        0.71       99.91
          9 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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