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

         p3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,618       66.18       66.18
          1 |         43        0.43       66.61
          2 |         80        0.80       67.41
          3 |         79        0.79       68.20
          4 |         65        0.65       68.85
          5 |         82        0.82       69.67
          6 |         90        0.90       70.57
          7 |         94        0.94       71.51
          8 |         92        0.92       72.43
          9 |        109        1.09       73.52
         10 |        112        1.12       74.64
         11 |        140        1.40       76.04
         12 |        144        1.44       77.48
         13 |        144        1.44       78.92
         14 |        154        1.54       80.46
         15 |        165        1.65       82.11
         16 |        165        1.65       83.76
         17 |        185        1.85       85.61
         18 |        165        1.65       87.26
         19 |        144        1.44       88.70
         20 |        156        1.56       90.26
         21 |        142        1.42       91.68
         22 |        127        1.27       92.95
         23 |        110        1.10       94.05
         24 |         97        0.97       95.02
         25 |         82        0.82       95.84
         26 |         70        0.70       96.54
         27 |         62        0.62       97.16
         28 |         56        0.56       97.72
         29 |         41        0.41       98.13
         30 |         41        0.41       98.54
         31 |         30        0.30       98.84
         32 |         20        0.20       99.04
         33 |         16        0.16       99.20
         34 |          9        0.09       99.29
         35 |         12        0.12       99.41
         36 |          6        0.06       99.47
         37 |          9        0.09       99.56
         38 |          8        0.08       99.64
         39 |          3        0.03       99.67
         40 |          6        0.06       99.73
         41 |          4        0.04       99.77
         42 |          3        0.03       99.80
         43 |          5        0.05       99.85
         44 |          3        0.03       99.88
         45 |          1        0.01       99.89
         46 |          2        0.02       99.91
         47 |          3        0.03       99.94
         48 |          1        0.01       99.95
         49 |          2        0.02       99.97
         52 |          1        0.01       99.98
         56 |          1        0.01       99.99
         66 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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