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 |      1,076       10.76       11.37
          2 |         77        0.77       12.14
          4 |        934        9.34       21.48
          5 |        663        6.63       28.11
          6 |      3,715       37.15       65.26
          8 |        526        5.26       70.52
          9 |        330        3.30       73.82
         10 |        116        1.16       74.98
         11 |          6        0.06       75.04
         12 |      1,508       15.08       90.12
         13 |         61        0.61       90.73
         15 |          3        0.03       90.76
         16 |          4        0.04       90.80
         17 |         16        0.16       90.96
         18 |          6        0.06       91.02
         19 |          6        0.06       91.08
         20 |          5        0.05       91.13
         21 |          5        0.05       91.18
         22 |         20        0.20       91.38
         23 |          2        0.02       91.40
         24 |         33        0.33       91.73
         25 |         15        0.15       91.88
         26 |         16        0.16       92.04
         27 |          6        0.06       92.10
         28 |         32        0.32       92.42
         29 |         16        0.16       92.58
         30 |          8        0.08       92.66
         31 |         11        0.11       92.77
         32 |         38        0.38       93.15
         33 |          2        0.02       93.17
         34 |         22        0.22       93.39
         35 |         21        0.21       93.60
         36 |         25        0.25       93.85
         37 |         20        0.20       94.05
         38 |          2        0.02       94.07
         39 |         13        0.13       94.20
         40 |         25        0.25       94.45
         41 |         23        0.23       94.68
         42 |         16        0.16       94.84
         44 |          3        0.03       94.87
         45 |          8        0.08       94.95
         46 |          2        0.02       94.97
         47 |         37        0.37       95.34
         48 |         68        0.68       96.02
         49 |         15        0.15       96.17
         50 |          4        0.04       96.21
         51 |         12        0.12       96.33
         53 |         34        0.34       96.67
         54 |          2        0.02       96.69
         55 |          8        0.08       96.77
         56 |          9        0.09       96.86
         93 |          1        0.01       96.87
         95 |         15        0.15       97.02
         96 |         13        0.13       97.15
         97 |         12        0.12       97.27
         98 |          3        0.03       97.30
         99 |        270        2.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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