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

Registratio |
    n State |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         36        0.36        0.36
          1 |      1,206       12.06       12.42
          2 |         98        0.98       13.40
          4 |        937        9.37       22.77
          5 |        582        5.82       28.59
          6 |      5,105       51.05       79.64
          8 |         23        0.23       79.87
          9 |          6        0.06       79.93
         11 |          2        0.02       79.95
         12 |         40        0.40       80.35
         13 |         39        0.39       80.74
         15 |          2        0.02       80.76
         16 |          5        0.05       80.81
         17 |         19        0.19       81.00
         18 |          8        0.08       81.08
         19 |          5        0.05       81.13
         20 |          4        0.04       81.17
         21 |          5        0.05       81.22
         22 |         19        0.19       81.41
         25 |          3        0.03       81.44
         26 |          9        0.09       81.53
         27 |         13        0.13       81.66
         28 |         35        0.35       82.01
         29 |         19        0.19       82.20
         30 |          9        0.09       82.29
         31 |          5        0.05       82.34
         32 |         44        0.44       82.78
         33 |          1        0.01       82.79
         34 |          5        0.05       82.84
         35 |         27        0.27       83.11
         36 |         11        0.11       83.22
         37 |         17        0.17       83.39
         39 |          9        0.09       83.48
         40 |         26        0.26       83.74
         41 |         51        0.51       84.25
         42 |          4        0.04       84.29
         44 |          1        0.01       84.30
         45 |          5        0.05       84.35
         46 |          1        0.01       84.36
         47 |         30        0.30       84.66
         48 |         77        0.77       85.43
         49 |         17        0.17       85.60
         50 |          3        0.03       85.63
         51 |          5        0.05       85.68
         53 |         25        0.25       85.93
         54 |          1        0.01       85.94
         55 |          8        0.08       86.02
         56 |          5        0.05       86.07
         92 |        887        8.87       94.94
         93 |         26        0.26       95.20
         94 |         16        0.16       95.36
         95 |          2        0.02       95.38
         96 |          9        0.09       95.47
         97 |         17        0.17       95.64
         98 |          4        0.04       95.68
         99 |        432        4.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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