Frequencies for reg_stat variable in vehnit dataset :

REGISTRATIO |
    N STATE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         19        1.28        1.28
          1 |         14        0.95        2.23
          2 |          5        0.34        2.57
          4 |         30        2.03        4.59
          5 |         14        0.95        5.54
          6 |        212       14.31       19.85
          8 |          7        0.47       20.32
          9 |         14        0.95       21.27
         10 |          4        0.27       21.54
         11 |          2        0.14       21.67
         12 |        114        7.70       29.37
         13 |         34        2.30       31.67
         15 |          2        0.14       31.80
         16 |          6        0.41       32.21
         17 |         56        3.78       35.99
         18 |         34        2.30       38.28
         19 |          2        0.14       38.42
         20 |          7        0.47       38.89
         21 |          6        0.41       39.30
         22 |         21        1.42       40.72
         23 |          5        0.34       41.05
         24 |         19        1.28       42.34
         25 |         27        1.82       44.16
         26 |         46        3.11       47.27
         27 |         10        0.68       47.94
         28 |          2        0.14       48.08
         29 |         37        2.50       50.57
         30 |          4        0.27       50.84
         31 |          5        0.34       51.18
         32 |         18        1.22       52.40
         33 |          2        0.14       52.53
         34 |         41        2.77       55.30
         36 |         98        6.62       61.92
         37 |         26        1.76       63.67
         38 |          5        0.34       64.01
         39 |         53        3.58       67.59
         40 |         12        0.81       68.40
         41 |         12        0.81       69.21
         42 |         79        5.33       74.54
         44 |          1        0.07       74.61
         45 |         21        1.42       76.03
         46 |          5        0.34       76.37
         47 |         40        2.70       79.07
         48 |         85        5.74       84.81
         49 |          4        0.27       85.08
         51 |         20        1.35       86.43
         53 |         28        1.89       88.32
         54 |         21        1.42       89.74
         55 |         22        1.49       91.22
         56 |          2        0.14       91.36
         92 |         75        5.06       96.42
         93 |         21        1.42       97.84
         95 |          1        0.07       97.91
         97 |          5        0.34       98.24
         98 |          4        0.27       98.51
         99 |         22        1.49      100.00
------------+-----------------------------------
      Total |      1,481      100.00

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