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

  manner of |
  collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,788       47.88       47.88
          1 |      1,122       11.22       59.10
          2 |      1,213       12.13       71.23
          6 |      2,296       22.96       94.19
          7 |        295        2.95       97.14
          8 |        184        1.84       98.98
          9 |         14        0.14       99.12
         10 |          3        0.03       99.15
         11 |         22        0.22       99.37
         98 |         15        0.15       99.52
         99 |         48        0.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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