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

         p1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,590       65.90       65.90
          1 |         33        0.33       66.23
          2 |         65        0.65       66.88
          3 |         67        0.67       67.55
          4 |         76        0.76       68.31
          5 |         76        0.76       69.07
          6 |         82        0.82       69.89
          7 |        102        1.02       70.91
          8 |        104        1.04       71.95
          9 |        127        1.27       73.22
         10 |        115        1.15       74.37
         11 |        115        1.15       75.52
         12 |        157        1.57       77.09
         13 |        174        1.74       78.83
         14 |        158        1.58       80.41
         15 |        166        1.66       82.07
         16 |        170        1.70       83.77
         17 |        152        1.52       85.29
         18 |        147        1.47       86.76
         19 |        141        1.41       88.17
         20 |        152        1.52       89.69
         21 |        141        1.41       91.10
         22 |        128        1.28       92.38
         23 |        109        1.09       93.47
         24 |        105        1.05       94.52
         25 |         91        0.91       95.43
         26 |         70        0.70       96.13
         27 |         71        0.71       96.84
         28 |         55        0.55       97.39
         29 |         42        0.42       97.81
         30 |         34        0.34       98.15
         31 |         27        0.27       98.42
         32 |         33        0.33       98.75
         33 |         27        0.27       99.02
         34 |         22        0.22       99.24
         35 |         12        0.12       99.36
         36 |         13        0.13       99.49
         37 |          7        0.07       99.56
         38 |         12        0.12       99.68
         39 |         11        0.11       99.79
         40 |          5        0.05       99.84
         41 |          5        0.05       99.89
         42 |          1        0.01       99.90
         43 |          2        0.02       99.92
         44 |          1        0.01       99.93
         45 |          1        0.01       99.94
         47 |          1        0.01       99.95
         49 |          1        0.01       99.96
         50 |          1        0.01       99.97
         56 |          1        0.01       99.98
         59 |          1        0.01       99.99
         80 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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