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 |      7,751       77.51       77.51
          1 |      2,095       20.95       98.46
          2 |        123        1.23       99.69
          3 |         21        0.21       99.90
          4 |          7        0.07       99.97
          5 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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