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

    Vehicle |
      Forms |
  Submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        158        1.58        1.58
          1 |      6,051       60.51       62.09
          2 |      3,348       33.48       95.57
          3 |        364        3.64       99.21
          4 |         60        0.60       99.81
          5 |          7        0.07       99.88
          6 |          4        0.04       99.92
          7 |          2        0.02       99.94
          8 |          2        0.02       99.96
          9 |          1        0.01       99.97
         16 |          1        0.01       99.98
         18 |          1        0.01       99.99
         23 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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