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

Non-Motoris |
 t Striking |
    Vehicle |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,204       92.04       92.04
          1 |        779        7.79       99.83
          2 |         14        0.14       99.97
         99 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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