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

     driver |
    license |
      state |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         64        0.64        0.64
          1 |        954        9.54       10.18
          2 |         94        0.94       11.12
          4 |        910        9.10       20.22
          5 |        574        5.74       25.96
          6 |      3,922       39.22       65.18
          8 |        600        6.00       71.18
          9 |        291        2.91       74.09
         10 |        140        1.40       75.49
         11 |         10        0.10       75.59
         12 |      1,467       14.67       90.26
         13 |         56        0.56       90.82
         15 |          1        0.01       90.83
         16 |          8        0.08       90.91
         17 |         19        0.19       91.10
         18 |         10        0.10       91.20
         19 |          4        0.04       91.24
         20 |         10        0.10       91.34
         21 |         11        0.11       91.45
         22 |         19        0.19       91.64
         23 |          2        0.02       91.66
         24 |         24        0.24       91.90
         25 |         24        0.24       92.14
         26 |         12        0.12       92.26
         27 |         12        0.12       92.38
         28 |         23        0.23       92.61
         29 |         21        0.21       92.82
         30 |          2        0.02       92.84
         31 |          5        0.05       92.89
         32 |         37        0.37       93.26
         33 |          2        0.02       93.28
         34 |          5        0.05       93.33
         35 |         15        0.15       93.48
         36 |         18        0.18       93.66
         37 |         14        0.14       93.80
         38 |          4        0.04       93.84
         39 |          7        0.07       93.91
         40 |         13        0.13       94.04
         41 |         23        0.23       94.27
         42 |         19        0.19       94.46
         43 |          1        0.01       94.47
         44 |          9        0.09       94.56
         45 |         11        0.11       94.67
         46 |          1        0.01       94.68
         47 |         23        0.23       94.91
         48 |         74        0.74       95.65
         49 |         13        0.13       95.78
         50 |          2        0.02       95.80
         51 |         12        0.12       95.92
         53 |         28        0.28       96.20
         54 |          2        0.02       96.22
         55 |          8        0.08       96.30
         56 |          6        0.06       96.36
         94 |          1        0.01       96.37
         95 |         18        0.18       96.55
         96 |         19        0.19       96.74
         97 |         22        0.22       96.96
         98 |          6        0.06       97.02
         99 |        298        2.98      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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