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

Non-Motoris |
 t Striking |
    Vehicle |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,254       92.54       92.54
          1 |        730        7.30       99.84
          2 |         13        0.13       99.97
          3 |          2        0.02       99.99
          4 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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