Frequencies for first 10,000 rows of n_mot_no variable in person dataset :

   STRIKING |
    VEHICLE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,369       93.69       93.69
          1 |        613        6.13       99.82
          2 |         17        0.17       99.99
          4 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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