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

  Automatic |
Restraint-F |
    unction |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,618       96.18       96.18
          2 |          3        0.03       96.21
          9 |        379        3.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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