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

  manner of |
  collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,850       48.50       48.50
          1 |      1,125       11.25       59.75
          2 |      1,195       11.95       71.70
          6 |      2,315       23.15       94.85
          7 |        288        2.88       97.73
          8 |        146        1.46       99.19
          9 |         13        0.13       99.32
         11 |         25        0.25       99.57
         98 |          1        0.01       99.58
         99 |         42        0.42      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016