Frequencies for first 10,000 rows of l_state variable in vehicle dataset :

     driver |
    license |
      state |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         51        0.51        0.51
          1 |      1,022       10.22       10.73
          2 |         74        0.74       11.47
          4 |      1,038       10.38       21.85
          5 |        612        6.12       27.97
          6 |      4,062       40.62       68.59
          8 |        685        6.85       75.44
          9 |        310        3.10       78.54
         10 |        155        1.55       80.09
         11 |          7        0.07       80.16
         12 |        883        8.83       88.99
         13 |         53        0.53       89.52
         15 |          1        0.01       89.53
         16 |          8        0.08       89.61
         17 |         17        0.17       89.78
         18 |         15        0.15       89.93
         19 |          7        0.07       90.00
         20 |         10        0.10       90.10
         21 |          6        0.06       90.16
         22 |         22        0.22       90.38
         23 |          2        0.02       90.40
         24 |         24        0.24       90.64
         25 |         18        0.18       90.82
         26 |         15        0.15       90.97
         27 |          8        0.08       91.05
         28 |         35        0.35       91.40
         29 |         28        0.28       91.68
         30 |          6        0.06       91.74
         31 |          6        0.06       91.80
         32 |         46        0.46       92.26
         33 |          5        0.05       92.31
         34 |         23        0.23       92.54
         35 |         21        0.21       92.75
         36 |         34        0.34       93.09
         37 |         14        0.14       93.23
         38 |          3        0.03       93.26
         39 |         16        0.16       93.42
         40 |         21        0.21       93.63
         41 |         24        0.24       93.87
         42 |         21        0.21       94.08
         44 |          3        0.03       94.11
         45 |          7        0.07       94.18
         46 |          5        0.05       94.23
         47 |         34        0.34       94.57
         48 |         90        0.90       95.47
         49 |         14        0.14       95.61
         50 |          1        0.01       95.62
         51 |         13        0.13       95.75
         53 |         27        0.27       96.02
         54 |          2        0.02       96.04
         55 |          8        0.08       96.12
         56 |         11        0.11       96.23
         95 |         15        0.15       96.38
         96 |         13        0.13       96.51
         97 |         17        0.17       96.68
         98 |          4        0.04       96.72
         99 |        328        3.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016