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

Non-Motoris |
 t Striking |
    Vehicle |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,179       91.79       91.79
          1 |        808        8.08       99.87
          2 |         12        0.12       99.99
          5 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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