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

         p1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,338       63.38       63.38
          1 |         42        0.42       63.80
          2 |         71        0.71       64.51
          3 |         90        0.90       65.41
          4 |         98        0.98       66.39
          5 |        102        1.02       67.41
          6 |        100        1.00       68.41
          7 |        115        1.15       69.56
          8 |        108        1.08       70.64
          9 |        154        1.54       72.18
         10 |        162        1.62       73.80
         11 |        157        1.57       75.37
         12 |        157        1.57       76.94
         13 |        174        1.74       78.68
         14 |        175        1.75       80.43
         15 |        185        1.85       82.28
         16 |        163        1.63       83.91
         17 |        160        1.60       85.51
         18 |        179        1.79       87.30
         19 |        148        1.48       88.78
         20 |        134        1.34       90.12
         21 |        122        1.22       91.34
         22 |        124        1.24       92.58
         23 |        114        1.14       93.72
         24 |         93        0.93       94.65
         25 |         86        0.86       95.51
         26 |         76        0.76       96.27
         27 |         63        0.63       96.90
         28 |         54        0.54       97.44
         29 |         47        0.47       97.91
         30 |         45        0.45       98.36
         31 |         29        0.29       98.65
         32 |         27        0.27       98.92
         33 |         27        0.27       99.19
         34 |         16        0.16       99.35
         35 |          7        0.07       99.42
         36 |         12        0.12       99.54
         37 |          5        0.05       99.59
         38 |          6        0.06       99.65
         39 |          6        0.06       99.71
         40 |          7        0.07       99.78
         41 |          3        0.03       99.81
         42 |          3        0.03       99.84
         43 |          5        0.05       99.89
         44 |          3        0.03       99.92
         45 |          1        0.01       99.93
         46 |          1        0.01       99.94
         48 |          1        0.01       99.95
         49 |          1        0.01       99.96
         51 |          1        0.01       99.97
         57 |          1        0.01       99.98
         59 |          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