Frequencies for first 10,000 rows of p8 variable in miper dataset :

         p8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,071       60.71       60.71
          1 |         33        0.33       61.04
          2 |         66        0.66       61.70
          3 |         77        0.77       62.47
          4 |         76        0.76       63.23
          5 |         76        0.76       63.99
          6 |         93        0.93       64.92
          7 |        108        1.08       66.00
          8 |        134        1.34       67.34
          9 |        147        1.47       68.81
         10 |        165        1.65       70.46
         11 |        155        1.55       72.01
         12 |        174        1.74       73.75
         13 |        151        1.51       75.26
         14 |        180        1.80       77.06
         15 |        171        1.71       78.77
         16 |        205        2.05       80.82
         17 |        188        1.88       82.70
         18 |        182        1.82       84.52
         19 |        189        1.89       86.41
         20 |        171        1.71       88.12
         21 |        155        1.55       89.67
         22 |        152        1.52       91.19
         23 |        125        1.25       92.44
         24 |        115        1.15       93.59
         25 |        117        1.17       94.76
         26 |         92        0.92       95.68
         27 |         74        0.74       96.42
         28 |         65        0.65       97.07
         29 |         47        0.47       97.54
         30 |         37        0.37       97.91
         31 |         40        0.40       98.31
         32 |         31        0.31       98.62
         33 |         31        0.31       98.93
         34 |         20        0.20       99.13
         35 |         15        0.15       99.28
         36 |         13        0.13       99.41
         37 |         16        0.16       99.57
         38 |         10        0.10       99.67
         39 |          8        0.08       99.75
         40 |          3        0.03       99.78
         41 |          5        0.05       99.83
         42 |          3        0.03       99.86
         43 |          1        0.01       99.87
         44 |          2        0.02       99.89
         45 |          3        0.03       99.92
         46 |          2        0.02       99.94
         47 |          1        0.01       99.95
         48 |          1        0.01       99.96
         50 |          2        0.02       99.98
         51 |          1        0.01       99.99
         54 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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