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

         p1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,498       74.98       74.98
          1 |         38        0.38       75.36
          2 |         59        0.59       75.95
          3 |         47        0.47       76.42
          4 |         63        0.63       77.05
          5 |         58        0.58       77.63
          6 |         60        0.60       78.23
          7 |         57        0.57       78.80
          8 |         64        0.64       79.44
          9 |         80        0.80       80.24
         10 |         70        0.70       80.94
         11 |         90        0.90       81.84
         12 |         86        0.86       82.70
         13 |         88        0.88       83.58
         14 |        100        1.00       84.58
         15 |        102        1.02       85.60
         16 |        135        1.35       86.95
         17 |        117        1.17       88.12
         18 |        112        1.12       89.24
         19 |        115        1.15       90.39
         20 |        100        1.00       91.39
         21 |        116        1.16       92.55
         22 |         85        0.85       93.40
         23 |        102        1.02       94.42
         24 |         73        0.73       95.15
         25 |         72        0.72       95.87
         26 |         53        0.53       96.40
         27 |         59        0.59       96.99
         28 |         50        0.50       97.49
         29 |         46        0.46       97.95
         30 |         37        0.37       98.32
         31 |         33        0.33       98.65
         32 |         24        0.24       98.89
         33 |         18        0.18       99.07
         34 |         21        0.21       99.28
         35 |         15        0.15       99.43
         36 |         13        0.13       99.56
         37 |          7        0.07       99.63
         38 |          6        0.06       99.69
         39 |          7        0.07       99.76
         40 |          4        0.04       99.80
         41 |          2        0.02       99.82
         42 |          2        0.02       99.84
         44 |          2        0.02       99.86
         45 |          4        0.04       99.90
         46 |          2        0.02       99.92
         47 |          2        0.02       99.94
         51 |          1        0.01       99.95
         54 |          1        0.01       99.96
         58 |          1        0.01       99.97
         60 |          1        0.01       99.98
         62 |          1        0.01       99.99
         66 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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