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

Non-Motoris |
 t Location |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,179       91.79       91.79
          1 |         87        0.87       92.66
          2 |         24        0.24       92.90
          3 |         19        0.19       93.09
          4 |         22        0.22       93.31
          5 |          8        0.08       93.39
         10 |          4        0.04       93.43
         11 |         13        0.13       93.56
         12 |        465        4.65       98.21
         13 |         74        0.74       98.95
         15 |         70        0.70       99.65
         17 |         18        0.18       99.83
         18 |         17        0.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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