Frequencies for n_mot_no variable in person dataset :

   STRIKING |
    VEHICLE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        676       82.84       82.84
          1 |        140       17.16      100.00
------------+-----------------------------------
      Total |        816      100.00

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