Frequencies for preg_stat variable in parkwork dataset :

    Vehicle |
Registratio |
    n State |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         18        1.80        1.80
          1 |         10        1.00        2.79
          2 |          2        0.20        2.99
          4 |         12        1.20        4.19
          5 |          4        0.40        4.59
          6 |        120       11.98       16.57
          8 |          7        0.70       17.27
          9 |          8        0.80       18.06
         10 |          2        0.20       18.26
         11 |          4        0.40       18.66
         12 |         51        5.09       23.75
         13 |         22        2.20       25.95
         15 |          5        0.50       26.45
         16 |          4        0.40       26.85
         17 |         41        4.09       30.94
         18 |         17        1.70       32.63
         19 |         10        1.00       33.63
         20 |          6        0.60       34.23
         21 |          9        0.90       35.13
         22 |         14        1.40       36.53
         23 |          6        0.60       37.13
         24 |         18        1.80       38.92
         25 |         13        1.30       40.22
         26 |         22        2.20       42.42
         27 |          5        0.50       42.91
         28 |          1        0.10       43.01
         29 |         11        1.10       44.11
         30 |          2        0.20       44.31
         31 |          3        0.30       44.61
         32 |          5        0.50       45.11
         33 |          1        0.10       45.21
         34 |         50        4.99       50.20
         35 |          9        0.90       51.10
         36 |         75        7.49       58.58
         37 |         34        3.39       61.98
         38 |          2        0.20       62.18
         39 |         28        2.79       64.97
         40 |         21        2.10       67.07
         41 |          8        0.80       67.86
         42 |         64        6.39       74.25
         44 |          1        0.10       74.35
         45 |         17        1.70       76.05
         46 |          2        0.20       76.25
         47 |         22        2.20       78.44
         48 |         84        8.38       86.83
         49 |         12        1.20       88.02
         51 |         17        1.70       89.72
         53 |         18        1.80       91.52
         54 |          9        0.90       92.42
         55 |         25        2.50       94.91
         56 |          3        0.30       95.21
         91 |         11        1.10       96.31
         92 |          6        0.60       96.91
         93 |         10        1.00       97.90
         96 |          1        0.10       98.00
         99 |         20        2.00      100.00
------------+-----------------------------------
      Total |      1,002      100.00

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