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

    License |
      State |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,184       11.84       11.84
          2 |        110        1.10       12.94
          4 |        915        9.15       22.09
          5 |        715        7.15       29.24
          6 |      5,984       59.84       89.08
          8 |         15        0.15       89.23
          9 |          2        0.02       89.25
         10 |          2        0.02       89.27
         11 |          1        0.01       89.28
         12 |         45        0.45       89.73
         13 |         46        0.46       90.19
         15 |          2        0.02       90.21
         16 |         12        0.12       90.33
         17 |         22        0.22       90.55
         18 |          9        0.09       90.64
         19 |          6        0.06       90.70
         20 |          9        0.09       90.79
         21 |         10        0.10       90.89
         22 |         18        0.18       91.07
         23 |          1        0.01       91.08
         24 |          3        0.03       91.11
         25 |          7        0.07       91.18
         26 |         12        0.12       91.30
         27 |          6        0.06       91.36
         28 |         27        0.27       91.63
         29 |         30        0.30       91.93
         30 |          5        0.05       91.98
         31 |          6        0.06       92.04
         32 |         45        0.45       92.49
         33 |          2        0.02       92.51
         34 |          5        0.05       92.56
         35 |         21        0.21       92.77
         36 |          7        0.07       92.84
         37 |          7        0.07       92.91
         38 |          1        0.01       92.92
         39 |         15        0.15       93.07
         40 |         37        0.37       93.44
         41 |         37        0.37       93.81
         42 |          6        0.06       93.87
         45 |          2        0.02       93.89
         47 |         33        0.33       94.22
         48 |         73        0.73       94.95
         49 |         13        0.13       95.08
         50 |          2        0.02       95.10
         51 |         12        0.12       95.22
         52 |          1        0.01       95.23
         53 |         34        0.34       95.57
         54 |          2        0.02       95.59
         55 |          7        0.07       95.66
         56 |          5        0.05       95.71
         95 |         11        0.11       95.82
         96 |         16        0.16       95.98
         97 |         16        0.16       96.14
         99 |        386        3.86      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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