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

         p1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,558       65.58       65.58
          1 |         28        0.28       65.86
          2 |         74        0.74       66.60
          3 |         49        0.49       67.09
          4 |         68        0.68       67.77
          5 |         75        0.75       68.52
          6 |         92        0.92       69.44
          7 |        101        1.01       70.45
          8 |        113        1.13       71.58
          9 |        122        1.22       72.80
         10 |        117        1.17       73.97
         11 |        136        1.36       75.33
         12 |        141        1.41       76.74
         13 |        157        1.57       78.31
         14 |        176        1.76       80.07
         15 |        158        1.58       81.65
         16 |        167        1.67       83.32
         17 |        162        1.62       84.94
         18 |        180        1.80       86.74
         19 |        155        1.55       88.29
         20 |        135        1.35       89.64
         21 |        128        1.28       90.92
         22 |        137        1.37       92.29
         23 |        108        1.08       93.37
         24 |        126        1.26       94.63
         25 |         91        0.91       95.54
         26 |         83        0.83       96.37
         27 |         51        0.51       96.88
         28 |         43        0.43       97.31
         29 |         49        0.49       97.80
         30 |         36        0.36       98.16
         31 |         39        0.39       98.55
         32 |         30        0.30       98.85
         33 |         25        0.25       99.10
         34 |         21        0.21       99.31
         35 |         17        0.17       99.48
         36 |         10        0.10       99.58
         37 |          8        0.08       99.66
         38 |         10        0.10       99.76
         39 |          7        0.07       99.83
         40 |          2        0.02       99.85
         41 |          1        0.01       99.86
         42 |          2        0.02       99.88
         43 |          4        0.04       99.92
         46 |          1        0.01       99.93
         48 |          1        0.01       99.94
         49 |          1        0.01       99.95
         50 |          1        0.01       99.96
         53 |          3        0.03       99.99
         70 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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