Frequencies for first 10,000 rows of p3 variable in miper dataset :

         p3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,486       74.86       74.86
          1 |         47        0.47       75.33
          2 |         59        0.59       75.92
          3 |         44        0.44       76.36
          4 |         53        0.53       76.89
          5 |         48        0.48       77.37
          6 |         48        0.48       77.85
          7 |         50        0.50       78.35
          8 |         93        0.93       79.28
          9 |         92        0.92       80.20
         10 |        112        1.12       81.32
         11 |         95        0.95       82.27
         12 |         90        0.90       83.17
         13 |        102        1.02       84.19
         14 |        125        1.25       85.44
         15 |        118        1.18       86.62
         16 |        125        1.25       87.87
         17 |        101        1.01       88.88
         18 |        114        1.14       90.02
         19 |        103        1.03       91.05
         20 |        124        1.24       92.29
         21 |         94        0.94       93.23
         22 |         76        0.76       93.99
         23 |         66        0.66       94.65
         24 |         72        0.72       95.37
         25 |         64        0.64       96.01
         26 |         52        0.52       96.53
         27 |         48        0.48       97.01
         28 |         49        0.49       97.50
         29 |         41        0.41       97.91
         30 |         39        0.39       98.30
         31 |         28        0.28       98.58
         32 |         32        0.32       98.90
         33 |         20        0.20       99.10
         34 |         10        0.10       99.20
         35 |         15        0.15       99.35
         36 |          7        0.07       99.42
         37 |          6        0.06       99.48
         38 |          6        0.06       99.54
         39 |          6        0.06       99.60
         40 |          7        0.07       99.67
         41 |          6        0.06       99.73
         42 |          6        0.06       99.79
         43 |          1        0.01       99.80
         44 |          2        0.02       99.82
         45 |          2        0.02       99.84
         46 |          1        0.01       99.85
         47 |          2        0.02       99.87
         48 |          3        0.03       99.90
         50 |          2        0.02       99.92
         51 |          1        0.01       99.93
         53 |          4        0.04       99.97
         54 |          2        0.02       99.99
         65 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016