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

Non-Motoris |
 t Location |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,180       91.80       91.80
          1 |         73        0.73       92.53
          2 |         20        0.20       92.73
          3 |         21        0.21       92.94
          4 |         17        0.17       93.11
          5 |          1        0.01       93.12
          9 |          4        0.04       93.16
         10 |          3        0.03       93.19
         11 |         81        0.81       94.00
         12 |        439        4.39       98.39
         13 |         44        0.44       98.83
         14 |          1        0.01       98.84
         15 |         63        0.63       99.47
         17 |         16        0.16       99.63
         18 |         31        0.31       99.94
         19 |          2        0.02       99.96
         99 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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