Frequencies for first 10,000 rows of p2 variable in miper dataset :

         p2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,971       69.71       69.71
          1 |         38        0.38       70.09
          2 |         65        0.65       70.74
          3 |         68        0.68       71.42
          4 |         67        0.67       72.09
          5 |         56        0.56       72.65
          6 |         80        0.80       73.45
          7 |         93        0.93       74.38
          8 |         96        0.96       75.34
          9 |        100        1.00       76.34
         10 |        129        1.29       77.63
         11 |        105        1.05       78.68
         12 |        128        1.28       79.96
         13 |        132        1.32       81.28
         14 |        143        1.43       82.71
         15 |        182        1.82       84.53
         16 |        142        1.42       85.95
         17 |        118        1.18       87.13
         18 |        137        1.37       88.50
         19 |        127        1.27       89.77
         20 |        133        1.33       91.10
         21 |        136        1.36       92.46
         22 |        103        1.03       93.49
         23 |         89        0.89       94.38
         24 |         89        0.89       95.27
         25 |         82        0.82       96.09
         26 |         65        0.65       96.74
         27 |         65        0.65       97.39
         28 |         45        0.45       97.84
         29 |         44        0.44       98.28
         30 |         27        0.27       98.55
         31 |         26        0.26       98.81
         32 |         23        0.23       99.04
         33 |         13        0.13       99.17
         34 |         18        0.18       99.35
         35 |         17        0.17       99.52
         36 |         11        0.11       99.63
         37 |         10        0.10       99.73
         38 |          9        0.09       99.82
         39 |          4        0.04       99.86
         40 |          3        0.03       99.89
         41 |          2        0.02       99.91
         43 |          2        0.02       99.93
         44 |          2        0.02       99.95
         45 |          2        0.02       99.97
         48 |          1        0.01       99.98
         54 |          1        0.01       99.99
         62 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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