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 |      7,763       77.63       77.63
          1 |      2,083       20.83       98.46
          2 |        119        1.19       99.65
          3 |         22        0.22       99.87
          4 |          9        0.09       99.96
          5 |          2        0.02       99.98
          6 |          1        0.01       99.99
          7 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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