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

     Driver |
    License |
      State |      Freq.     Percent        Cum.
------------+-----------------------------------
         -1 |         15        0.15        0.15
          1 |      1,027       10.27       10.42
          2 |         75        0.75       11.17
          4 |        833        8.33       19.50
          5 |        648        6.48       25.98
          6 |      3,376       33.76       59.74
          8 |        492        4.92       64.66
          9 |        363        3.63       68.29
         10 |        116        1.16       69.45
         11 |          7        0.07       69.52
         12 |      1,960       19.60       89.12
         13 |         86        0.86       89.98
         15 |          1        0.01       89.99
         16 |          9        0.09       90.08
         17 |         29        0.29       90.37
         18 |         14        0.14       90.51
         19 |          9        0.09       90.60
         20 |         10        0.10       90.70
         21 |          7        0.07       90.77
         22 |         17        0.17       90.94
         23 |          4        0.04       90.98
         24 |         31        0.31       91.29
         25 |         16        0.16       91.45
         26 |         22        0.22       91.67
         27 |          6        0.06       91.73
         28 |         17        0.17       91.90
         29 |         27        0.27       92.17
         30 |          4        0.04       92.21
         31 |          4        0.04       92.25
         32 |         43        0.43       92.68
         33 |          1        0.01       92.69
         34 |          7        0.07       92.76
         35 |         27        0.27       93.03
         36 |         31        0.31       93.34
         37 |         18        0.18       93.52
         39 |         11        0.11       93.63
         40 |         23        0.23       93.86
         41 |         17        0.17       94.03
         42 |         22        0.22       94.25
         43 |          1        0.01       94.26
         44 |          8        0.08       94.34
         45 |         12        0.12       94.46
         46 |          3        0.03       94.49
         47 |         32        0.32       94.81
         48 |         66        0.66       95.47
         49 |         14        0.14       95.61
         50 |          1        0.01       95.62
         51 |         13        0.13       95.75
         53 |         23        0.23       95.98
         54 |          6        0.06       96.04
         55 |          7        0.07       96.11
         56 |          6        0.06       96.17
         94 |          1        0.01       96.18
         95 |         16        0.16       96.34
         96 |         19        0.19       96.53
         97 |         17        0.17       96.70
         98 |          3        0.03       96.73
         99 |        280        2.80       99.53
          . |         47        0.47      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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