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

         p2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,467       74.67       74.67
          1 |         30        0.30       74.97
          2 |         65        0.65       75.62
          3 |         50        0.50       76.12
          4 |         72        0.72       76.84
          5 |         55        0.55       77.39
          6 |         65        0.65       78.04
          7 |         78        0.78       78.82
          8 |         85        0.85       79.67
          9 |         82        0.82       80.49
         10 |         74        0.74       81.23
         11 |         93        0.93       82.16
         12 |        107        1.07       83.23
         13 |         74        0.74       83.97
         14 |         99        0.99       84.96
         15 |        111        1.11       86.07
         16 |        119        1.19       87.26
         17 |        118        1.18       88.44
         18 |        115        1.15       89.59
         19 |        101        1.01       90.60
         20 |        119        1.19       91.79
         21 |         94        0.94       92.73
         22 |        106        1.06       93.79
         23 |         71        0.71       94.50
         24 |         80        0.80       95.30
         25 |         76        0.76       96.06
         26 |         59        0.59       96.65
         27 |         50        0.50       97.15
         28 |         47        0.47       97.62
         29 |         48        0.48       98.10
         30 |         24        0.24       98.34
         31 |         16        0.16       98.50
         32 |         22        0.22       98.72
         33 |         26        0.26       98.98
         34 |         18        0.18       99.16
         35 |         21        0.21       99.37
         36 |          5        0.05       99.42
         37 |         14        0.14       99.56
         38 |          5        0.05       99.61
         39 |          6        0.06       99.67
         40 |          3        0.03       99.70
         41 |          5        0.05       99.75
         42 |          2        0.02       99.77
         43 |          4        0.04       99.81
         44 |          2        0.02       99.83
         45 |          3        0.03       99.86
         46 |          3        0.03       99.89
         47 |          1        0.01       99.90
         48 |          1        0.01       99.91
         49 |          1        0.01       99.92
         51 |          2        0.02       99.94
         52 |          1        0.01       99.95
         55 |          2        0.02       99.97
         56 |          1        0.01       99.98
         63 |          1        0.01       99.99
         64 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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