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

         p8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,604       66.04       66.04
          1 |         33        0.33       66.37
          2 |         70        0.70       67.07
          3 |         74        0.74       67.81
          4 |         62        0.62       68.43
          5 |         78        0.78       69.21
          6 |         92        0.92       70.13
          7 |        103        1.03       71.16
          8 |         97        0.97       72.13
          9 |        130        1.30       73.43
         10 |        119        1.19       74.62
         11 |        117        1.17       75.79
         12 |        143        1.43       77.22
         13 |        165        1.65       78.87
         14 |        165        1.65       80.52
         15 |        164        1.64       82.16
         16 |        169        1.69       83.85
         17 |        151        1.51       85.36
         18 |        159        1.59       86.95
         19 |        128        1.28       88.23
         20 |        146        1.46       89.69
         21 |        148        1.48       91.17
         22 |        132        1.32       92.49
         23 |        115        1.15       93.64
         24 |         96        0.96       94.60
         25 |         93        0.93       95.53
         26 |         74        0.74       96.27
         27 |         62        0.62       96.89
         28 |         55        0.55       97.44
         29 |         51        0.51       97.95
         30 |         27        0.27       98.22
         31 |         33        0.33       98.55
         32 |         34        0.34       98.89
         33 |         22        0.22       99.11
         34 |         19        0.19       99.30
         35 |         10        0.10       99.40
         36 |         10        0.10       99.50
         37 |          5        0.05       99.55
         38 |         15        0.15       99.70
         39 |         10        0.10       99.80
         40 |          5        0.05       99.85
         41 |          3        0.03       99.88
         42 |          3        0.03       99.91
         43 |          2        0.02       99.93
         44 |          2        0.02       99.95
         45 |          1        0.01       99.96
         49 |          1        0.01       99.97
         56 |          1        0.01       99.98
         59 |          1        0.01       99.99
         80 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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