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

  number of |
persons not |
   in motor |
   vehicles |
in-transpor |
          t |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,492       74.92       74.92
          1 |      2,369       23.69       98.61
          2 |         99        0.99       99.60
          3 |         24        0.24       99.84
          4 |         10        0.10       99.94
          5 |          1        0.01       99.95
          6 |          3        0.03       99.98
          9 |          1        0.01       99.99
         11 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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