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

    License |
      State |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,215       12.15       12.15
          2 |        164        1.64       13.79
          4 |        848        8.48       22.27
          5 |        600        6.00       28.27
          6 |      6,015       60.15       88.42
          8 |        338        3.38       91.80
          9 |          2        0.02       91.82
         11 |          2        0.02       91.84
         12 |         35        0.35       92.19
         13 |         48        0.48       92.67
         15 |          3        0.03       92.70
         16 |          5        0.05       92.75
         17 |         35        0.35       93.10
         18 |         11        0.11       93.21
         19 |          3        0.03       93.24
         20 |          9        0.09       93.33
         21 |          7        0.07       93.40
         22 |         22        0.22       93.62
         23 |          4        0.04       93.66
         24 |          4        0.04       93.70
         25 |          7        0.07       93.77
         26 |         21        0.21       93.98
         27 |          7        0.07       94.05
         28 |         26        0.26       94.31
         29 |         34        0.34       94.65
         30 |          3        0.03       94.68
         31 |         13        0.13       94.81
         32 |         33        0.33       95.14
         33 |          1        0.01       95.15
         34 |         12        0.12       95.27
         35 |         29        0.29       95.56
         36 |         13        0.13       95.69
         37 |          8        0.08       95.77
         38 |          1        0.01       95.78
         39 |         19        0.19       95.97
         40 |         33        0.33       96.30
         41 |         35        0.35       96.65
         42 |         15        0.15       96.80
         43 |          1        0.01       96.81
         44 |          1        0.01       96.82
         45 |          4        0.04       96.86
         46 |          2        0.02       96.88
         47 |         37        0.37       97.25
         48 |         76        0.76       98.01
         49 |         12        0.12       98.13
         50 |          1        0.01       98.14
         51 |         14        0.14       98.28
         53 |         11        0.11       98.39
         54 |          1        0.01       98.40
         55 |          8        0.08       98.48
         56 |          8        0.08       98.56
         94 |          1        0.01       98.57
         95 |          7        0.07       98.64
         96 |          4        0.04       98.68
         97 |         10        0.10       98.78
         99 |        122        1.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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