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

         p1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,498       74.98       74.98
          1 |         32        0.32       75.30
          2 |         62        0.62       75.92
          3 |         45        0.45       76.37
          4 |         69        0.69       77.06
          5 |         50        0.50       77.56
          6 |         62        0.62       78.18
          7 |         69        0.69       78.87
          8 |         85        0.85       79.72
          9 |         83        0.83       80.55
         10 |         72        0.72       81.27
         11 |         95        0.95       82.22
         12 |        109        1.09       83.31
         13 |         88        0.88       84.19
         14 |        110        1.10       85.29
         15 |        105        1.05       86.34
         16 |        116        1.16       87.50
         17 |        108        1.08       88.58
         18 |        107        1.07       89.65
         19 |        105        1.05       90.70
         20 |        118        1.18       91.88
         21 |        103        1.03       92.91
         22 |         98        0.98       93.89
         23 |         84        0.84       94.73
         24 |         76        0.76       95.49
         25 |         69        0.69       96.18
         26 |         63        0.63       96.81
         27 |         51        0.51       97.32
         28 |         39        0.39       97.71
         29 |         46        0.46       98.17
         30 |         20        0.20       98.37
         31 |         16        0.16       98.53
         32 |         20        0.20       98.73
         33 |         23        0.23       98.96
         34 |         24        0.24       99.20
         35 |         22        0.22       99.42
         36 |          6        0.06       99.48
         37 |         10        0.10       99.58
         38 |          7        0.07       99.65
         39 |          5        0.05       99.70
         40 |          4        0.04       99.74
         41 |          6        0.06       99.80
         42 |          2        0.02       99.82
         43 |          5        0.05       99.87
         44 |          1        0.01       99.88
         45 |          3        0.03       99.91
         46 |          2        0.02       99.93
         47 |          1        0.01       99.94
         49 |          1        0.01       99.95
         51 |          1        0.01       99.96
         52 |          1        0.01       99.97
         54 |          1        0.01       99.98
         55 |          1        0.01       99.99
         58 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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