Frequencies for reg_stat variable in vehnit dataset :

REGISTRATIO |
    N STATE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         20        1.57        1.57
          1 |         19        1.49        3.07
          4 |         24        1.89        4.95
          5 |          8        0.63        5.58
          6 |        194       15.25       20.83
          8 |         19        1.49       22.33
          9 |          9        0.71       23.03
         10 |          4        0.31       23.35
         11 |          1        0.08       23.43
         12 |        115        9.04       32.47
         13 |         18        1.42       33.88
         15 |          4        0.31       34.20
         16 |          4        0.31       34.51
         17 |         46        3.62       38.13
         18 |         28        2.20       40.33
         19 |          6        0.47       40.80
         20 |          7        0.55       41.35
         21 |          8        0.63       41.98
         22 |         12        0.94       42.92
         23 |          2        0.16       43.08
         24 |         18        1.42       44.50
         25 |         19        1.49       45.99
         26 |         28        2.20       48.19
         27 |          8        0.63       48.82
         28 |          2        0.16       48.98
         29 |         18        1.42       50.39
         30 |          4        0.31       50.71
         31 |          9        0.71       51.42
         32 |          9        0.71       52.12
         33 |          1        0.08       52.20
         34 |         31        2.44       54.64
         35 |          4        0.31       54.95
         36 |         81        6.37       61.32
         37 |         31        2.44       63.76
         38 |          2        0.16       63.92
         39 |         38        2.99       66.90
         40 |         22        1.73       68.63
         41 |         13        1.02       69.65
         42 |         72        5.66       75.31
         44 |          6        0.47       75.79
         45 |         19        1.49       77.28
         47 |         30        2.36       79.64
         48 |        100        7.86       87.50
         49 |          6        0.47       87.97
         50 |          3        0.24       88.21
         51 |         18        1.42       89.62
         53 |         15        1.18       90.80
         54 |         13        1.02       91.82
         55 |         11        0.86       92.69
         56 |          3        0.24       92.92
         92 |         40        3.14       96.07
         93 |         14        1.10       97.17
         94 |          2        0.16       97.33
         95 |          2        0.16       97.48
         96 |          3        0.24       97.72
         99 |         29        2.28      100.00
------------+-----------------------------------
      Total |      1,272      100.00

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