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

    License |
      State |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,280       12.80       12.80
          2 |        146        1.46       14.26
          4 |      1,030       10.30       24.56
          5 |        615        6.15       30.71
          6 |      6,061       60.61       91.32
          8 |         12        0.12       91.44
          9 |          3        0.03       91.47
         10 |          2        0.02       91.49
         12 |         39        0.39       91.88
         13 |         51        0.51       92.39
         15 |          2        0.02       92.41
         16 |          8        0.08       92.49
         17 |         24        0.24       92.73
         18 |         14        0.14       92.87
         19 |          4        0.04       92.91
         20 |         16        0.16       93.07
         21 |          5        0.05       93.12
         22 |         22        0.22       93.34
         24 |          2        0.02       93.36
         25 |          6        0.06       93.42
         26 |         24        0.24       93.66
         27 |          8        0.08       93.74
         28 |         33        0.33       94.07
         29 |         28        0.28       94.35
         30 |          6        0.06       94.41
         31 |          6        0.06       94.47
         32 |         30        0.30       94.77
         33 |          2        0.02       94.79
         34 |          8        0.08       94.87
         35 |         32        0.32       95.19
         36 |         19        0.19       95.38
         37 |         11        0.11       95.49
         38 |          1        0.01       95.50
         39 |         22        0.22       95.72
         40 |         19        0.19       95.91
         41 |         37        0.37       96.28
         42 |         13        0.13       96.41
         44 |          2        0.02       96.43
         45 |          4        0.04       96.47
         46 |          4        0.04       96.51
         47 |         35        0.35       96.86
         48 |         73        0.73       97.59
         49 |         13        0.13       97.72
         50 |          1        0.01       97.73
         51 |          4        0.04       97.77
         53 |         21        0.21       97.98
         54 |          1        0.01       97.99
         55 |         11        0.11       98.10
         56 |          4        0.04       98.14
         94 |          3        0.03       98.17
         95 |          9        0.09       98.26
         96 |         10        0.10       98.36
         97 |         11        0.11       98.47
         99 |        153        1.53      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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