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

         p3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,338       63.38       63.38
          1 |         49        0.49       63.87
          2 |         80        0.80       64.67
          3 |         92        0.92       65.59
          4 |         69        0.69       66.28
          5 |         94        0.94       67.22
          6 |        110        1.10       68.32
          7 |        110        1.10       69.42
          8 |        100        1.00       70.42
          9 |        130        1.30       71.72
         10 |        110        1.10       72.82
         11 |        127        1.27       74.09
         12 |        145        1.45       75.54
         13 |        169        1.69       77.23
         14 |        164        1.64       78.87
         15 |        177        1.77       80.64
         16 |        198        1.98       82.62
         17 |        175        1.75       84.37
         18 |        173        1.73       86.10
         19 |        157        1.57       87.67
         20 |        149        1.49       89.16
         21 |        154        1.54       90.70
         22 |        160        1.60       92.30
         23 |         97        0.97       93.27
         24 |         87        0.87       94.14
         25 |         91        0.91       95.05
         26 |         88        0.88       95.93
         27 |         70        0.70       96.63
         28 |         72        0.72       97.35
         29 |         46        0.46       97.81
         30 |         34        0.34       98.15
         31 |         32        0.32       98.47
         32 |         32        0.32       98.79
         33 |         20        0.20       98.99
         34 |         20        0.20       99.19
         35 |         18        0.18       99.37
         36 |         14        0.14       99.51
         37 |          9        0.09       99.60
         38 |          3        0.03       99.63
         39 |          9        0.09       99.72
         40 |          4        0.04       99.76
         41 |          2        0.02       99.78
         42 |          3        0.03       99.81
         43 |          5        0.05       99.86
         44 |          2        0.02       99.88
         46 |          3        0.03       99.91
         47 |          1        0.01       99.92
         48 |          1        0.01       99.93
         49 |          3        0.03       99.96
         50 |          1        0.01       99.97
         51 |          1        0.01       99.98
         57 |          1        0.01       99.99
         59 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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