Frequencies for a_loc variable in per_aux dataset :

Non-Motoris |
 t Location |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,073       81.97       81.97
          2 |         13        0.99       82.96
          3 |        223       17.04      100.00
------------+-----------------------------------
      Total |      1,309      100.00

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