Frequencies for first 10,000 rows of p1 variable in miper dataset :

         p1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,459       74.59       74.59
          1 |         38        0.38       74.97
          2 |         69        0.69       75.66
          3 |         68        0.68       76.34
          4 |         63        0.63       76.97
          5 |         56        0.56       77.53
          6 |         70        0.70       78.23
          7 |         75        0.75       78.98
          8 |         82        0.82       79.80
          9 |         85        0.85       80.65
         10 |         92        0.92       81.57
         11 |        105        1.05       82.62
         12 |        102        1.02       83.64
         13 |        108        1.08       84.72
         14 |        127        1.27       85.99
         15 |        102        1.02       87.01
         16 |        133        1.33       88.34
         17 |        115        1.15       89.49
         18 |        121        1.21       90.70
         19 |         93        0.93       91.63
         20 |         96        0.96       92.59
         21 |         91        0.91       93.50
         22 |         82        0.82       94.32
         23 |         88        0.88       95.20
         24 |         72        0.72       95.92
         25 |         63        0.63       96.55
         26 |         65        0.65       97.20
         27 |         49        0.49       97.69
         28 |         40        0.40       98.09
         29 |         32        0.32       98.41
         30 |         34        0.34       98.75
         31 |         18        0.18       98.93
         32 |         25        0.25       99.18
         33 |         19        0.19       99.37
         34 |          9        0.09       99.46
         35 |          9        0.09       99.55
         36 |         11        0.11       99.66
         37 |          5        0.05       99.71
         38 |          5        0.05       99.76
         39 |          5        0.05       99.81
         40 |          3        0.03       99.84
         41 |          1        0.01       99.85
         42 |          3        0.03       99.88
         43 |          1        0.01       99.89
         44 |          4        0.04       99.93
         45 |          4        0.04       99.97
         53 |          1        0.01       99.98
         59 |          1        0.01       99.99
         61 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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