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

    VEHICLE |
      FORMS |
  SUBMITTED |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,738       57.38       57.38
          2 |      3,436       34.36       91.74
          3 |        643        6.43       98.17
          4 |        125        1.25       99.42
          5 |         36        0.36       99.78
          6 |         13        0.13       99.91
          7 |          6        0.06       99.97
          9 |          1        0.01       99.98
         12 |          1        0.01       99.99
         16 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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