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

    VEHICLE |
      FORMS |
  SUBMITTED |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,715       57.15       57.15
          2 |      3,587       35.87       93.02
          3 |        540        5.40       98.42
          4 |        106        1.06       99.48
          5 |         34        0.34       99.82
          6 |         13        0.13       99.95
          8 |          2        0.02       99.97
          9 |          2        0.02       99.99
         37 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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