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

    License |
      State |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,213       12.13       12.13
          2 |         98        0.98       13.11
          4 |        951        9.51       22.62
          5 |        692        6.92       29.54
          6 |      5,924       59.24       88.78
          8 |         21        0.21       88.99
          9 |          8        0.08       89.07
         10 |          1        0.01       89.08
         12 |         55        0.55       89.63
         13 |         39        0.39       90.02
         15 |          1        0.01       90.03
         16 |          8        0.08       90.11
         17 |         22        0.22       90.33
         18 |         13        0.13       90.46
         19 |          5        0.05       90.51
         20 |         11        0.11       90.62
         21 |          7        0.07       90.69
         22 |         18        0.18       90.87
         24 |          1        0.01       90.88
         25 |          2        0.02       90.90
         26 |         15        0.15       91.05
         27 |         13        0.13       91.18
         28 |         46        0.46       91.64
         29 |         25        0.25       91.89
         30 |          8        0.08       91.97
         31 |          2        0.02       91.99
         32 |         44        0.44       92.43
         33 |          2        0.02       92.45
         34 |          5        0.05       92.50
         35 |         30        0.30       92.80
         36 |         15        0.15       92.95
         37 |         13        0.13       93.08
         39 |          9        0.09       93.17
         40 |         31        0.31       93.48
         41 |         44        0.44       93.92
         42 |          6        0.06       93.98
         44 |          2        0.02       94.00
         45 |          4        0.04       94.04
         46 |          4        0.04       94.08
         47 |         35        0.35       94.43
         48 |         90        0.90       95.33
         49 |         13        0.13       95.46
         51 |          5        0.05       95.51
         53 |         27        0.27       95.78
         54 |          1        0.01       95.79
         55 |          9        0.09       95.88
         56 |          9        0.09       95.97
         94 |          6        0.06       96.03
         95 |          9        0.09       96.12
         96 |         17        0.17       96.29
         97 |         11        0.11       96.40
         99 |        360        3.60      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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