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

Registratio |
    n State |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        143        1.43        1.43
          1 |        999        9.99       11.42
          2 |        112        1.12       12.54
          4 |      1,020       10.20       22.74
          5 |        500        5.00       27.74
          6 |      6,222       62.22       89.96
          8 |        165        1.65       91.61
          9 |          3        0.03       91.64
         10 |          1        0.01       91.65
         12 |         43        0.43       92.08
         13 |         24        0.24       92.32
         15 |          4        0.04       92.36
         16 |         13        0.13       92.49
         17 |         30        0.30       92.79
         18 |         12        0.12       92.91
         19 |         11        0.11       93.02
         20 |         13        0.13       93.15
         21 |          4        0.04       93.19
         22 |         25        0.25       93.44
         23 |          2        0.02       93.46
         24 |          1        0.01       93.47
         25 |          2        0.02       93.49
         26 |         22        0.22       93.71
         27 |         14        0.14       93.85
         28 |         31        0.31       94.16
         29 |         33        0.33       94.49
         30 |          4        0.04       94.53
         31 |          8        0.08       94.61
         32 |         65        0.65       95.26
         33 |          5        0.05       95.31
         34 |          6        0.06       95.37
         35 |         21        0.21       95.58
         36 |          8        0.08       95.66
         37 |          9        0.09       95.75
         38 |          4        0.04       95.79
         39 |         21        0.21       96.00
         40 |         29        0.29       96.29
         41 |         80        0.80       97.09
         42 |          6        0.06       97.15
         44 |          1        0.01       97.16
         45 |          4        0.04       97.20
         46 |          2        0.02       97.22
         47 |         28        0.28       97.50
         48 |         73        0.73       98.23
         49 |         20        0.20       98.43
         51 |          6        0.06       98.49
         53 |         28        0.28       98.77
         54 |          1        0.01       98.78
         55 |          7        0.07       98.85
         56 |         10        0.10       98.95
         94 |          3        0.03       98.98
         95 |          3        0.03       99.01
         96 |          6        0.06       99.07
         97 |         14        0.14       99.21
         99 |         79        0.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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