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 |      7,871       78.71       78.71
          1 |      2,010       20.10       98.81
          2 |        100        1.00       99.81
          3 |         14        0.14       99.95
          4 |          2        0.02       99.97
          5 |          1        0.01       99.98
          6 |          1        0.01       99.99
          8 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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