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

    License |
      State |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,067       10.67       10.67
          2 |         97        0.97       11.64
          4 |        944        9.44       21.08
          5 |        568        5.68       26.76
          6 |      6,504       65.04       91.80
          8 |         19        0.19       91.99
          9 |          2        0.02       92.01
         10 |          1        0.01       92.02
         11 |          2        0.02       92.04
         12 |         41        0.41       92.45
         13 |         35        0.35       92.80
         15 |          1        0.01       92.81
         16 |          3        0.03       92.84
         17 |         26        0.26       93.10
         18 |         19        0.19       93.29
         19 |         12        0.12       93.41
         20 |         10        0.10       93.51
         21 |          5        0.05       93.56
         22 |         11        0.11       93.67
         23 |          1        0.01       93.68
         24 |          6        0.06       93.74
         25 |          5        0.05       93.79
         26 |         18        0.18       93.97
         27 |         10        0.10       94.07
         28 |         14        0.14       94.21
         29 |         34        0.34       94.55
         30 |          3        0.03       94.58
         31 |          3        0.03       94.61
         32 |         33        0.33       94.94
         33 |          2        0.02       94.96
         34 |          3        0.03       94.99
         35 |         19        0.19       95.18
         36 |         12        0.12       95.30
         37 |         13        0.13       95.43
         39 |         21        0.21       95.64
         40 |         20        0.20       95.84
         41 |         41        0.41       96.25
         42 |         12        0.12       96.37
         44 |          3        0.03       96.40
         45 |          9        0.09       96.49
         46 |          4        0.04       96.53
         47 |         31        0.31       96.84
         48 |         53        0.53       97.37
         49 |         17        0.17       97.54
         51 |          7        0.07       97.61
         53 |         35        0.35       97.96
         54 |          2        0.02       97.98
         55 |         10        0.10       98.08
         56 |          5        0.05       98.13
         94 |          4        0.04       98.17
         95 |          9        0.09       98.26
         96 |         13        0.13       98.39
         97 |          9        0.09       98.48
         99 |        152        1.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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