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

  Number of |
      forms |
  submitted |
for persons |
     not in |
      Motor |
   Vehicles |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,799       77.99       77.99
          1 |      2,070       20.70       98.69
          2 |        107        1.07       99.76
          3 |         15        0.15       99.91
          4 |          7        0.07       99.98
          5 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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