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

     Driver |
    License |
      State |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         61        0.61        0.61
          1 |      1,080       10.80       11.41
          2 |         86        0.86       12.27
          4 |        941        9.41       21.68
          5 |        618        6.18       27.86
          6 |      3,477       34.77       62.63
          8 |        520        5.20       67.83
          9 |        249        2.49       70.32
         10 |        108        1.08       71.40
         11 |         12        0.12       71.52
         12 |      1,857       18.57       90.09
         13 |         61        0.61       90.70
         15 |          7        0.07       90.77
         16 |          4        0.04       90.81
         17 |         18        0.18       90.99
         18 |          9        0.09       91.08
         19 |          3        0.03       91.11
         20 |          8        0.08       91.19
         21 |          4        0.04       91.23
         22 |         17        0.17       91.40
         23 |          2        0.02       91.42
         24 |         30        0.30       91.72
         25 |         10        0.10       91.82
         26 |         21        0.21       92.03
         27 |          9        0.09       92.12
         28 |         29        0.29       92.41
         29 |         28        0.28       92.69
         30 |          2        0.02       92.71
         31 |          5        0.05       92.76
         32 |         32        0.32       93.08
         33 |          3        0.03       93.11
         34 |         15        0.15       93.26
         35 |         16        0.16       93.42
         36 |         25        0.25       93.67
         37 |         19        0.19       93.86
         38 |          5        0.05       93.91
         39 |         12        0.12       94.03
         40 |         16        0.16       94.19
         41 |         17        0.17       94.36
         42 |         40        0.40       94.76
         43 |          1        0.01       94.77
         44 |          8        0.08       94.85
         45 |          4        0.04       94.89
         46 |          1        0.01       94.90
         47 |         38        0.38       95.28
         48 |         62        0.62       95.90
         49 |         14        0.14       96.04
         50 |          2        0.02       96.06
         51 |         12        0.12       96.18
         52 |          1        0.01       96.19
         53 |         34        0.34       96.53
         54 |          4        0.04       96.57
         55 |          9        0.09       96.66
         56 |          7        0.07       96.73
         95 |         16        0.16       96.89
         96 |         10        0.10       96.99
         97 |         14        0.14       97.13
         98 |          2        0.02       97.15
         99 |        285        2.85      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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