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

  manner of |
  collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,880       48.80       48.80
          1 |      1,044       10.44       59.24
          2 |      1,219       12.19       71.43
          6 |      2,270       22.70       94.13
          7 |        326        3.26       97.39
          8 |        152        1.52       98.91
          9 |         28        0.28       99.19
         10 |          3        0.03       99.22
         11 |         34        0.34       99.56
         98 |          6        0.06       99.62
         99 |         38        0.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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