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

         p3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,442       74.42       74.42
          1 |         44        0.44       74.86
          2 |         60        0.60       75.46
          3 |         60        0.60       76.06
          4 |         56        0.56       76.62
          5 |         62        0.62       77.24
          6 |         74        0.74       77.98
          7 |         75        0.75       78.73
          8 |         89        0.89       79.62
          9 |         91        0.91       80.53
         10 |         97        0.97       81.50
         11 |         98        0.98       82.48
         12 |         87        0.87       83.35
         13 |        108        1.08       84.43
         14 |        130        1.30       85.73
         15 |         94        0.94       86.67
         16 |        126        1.26       87.93
         17 |        110        1.10       89.03
         18 |        110        1.10       90.13
         19 |        117        1.17       91.30
         20 |         89        0.89       92.19
         21 |        109        1.09       93.28
         22 |         91        0.91       94.19
         23 |         74        0.74       94.93
         24 |         79        0.79       95.72
         25 |         57        0.57       96.29
         26 |         65        0.65       96.94
         27 |         49        0.49       97.43
         28 |         50        0.50       97.93
         29 |         32        0.32       98.25
         30 |         26        0.26       98.51
         31 |         22        0.22       98.73
         32 |         22        0.22       98.95
         33 |         16        0.16       99.11
         34 |         15        0.15       99.26
         35 |          6        0.06       99.32
         36 |         12        0.12       99.44
         37 |         10        0.10       99.54
         38 |          7        0.07       99.61
         39 |          5        0.05       99.66
         40 |          8        0.08       99.74
         41 |          2        0.02       99.76
         42 |          2        0.02       99.78
         43 |          3        0.03       99.81
         44 |          2        0.02       99.83
         45 |          3        0.03       99.86
         46 |          1        0.01       99.87
         47 |          2        0.02       99.89
         48 |          1        0.01       99.90
         49 |          2        0.02       99.92
         51 |          1        0.01       99.93
         54 |          1        0.01       99.94
         58 |          1        0.01       99.95
         61 |          1        0.01       99.96
         65 |          1        0.01       99.97
         66 |          1        0.01       99.98
         68 |          1        0.01       99.99
         69 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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