Frequencies for first 10,000 rows of p2 variable in miper dataset :

         p2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,313       73.13       73.13
          1 |         33        0.33       73.46
          2 |         63        0.63       74.09
          3 |         62        0.62       74.71
          4 |         59        0.59       75.30
          5 |         59        0.59       75.89
          6 |         84        0.84       76.73
          7 |         82        0.82       77.55
          8 |         88        0.88       78.43
          9 |         92        0.92       79.35
         10 |        102        1.02       80.37
         11 |        104        1.04       81.41
         12 |        125        1.25       82.66
         13 |        107        1.07       83.73
         14 |        112        1.12       84.85
         15 |        121        1.21       86.06
         16 |        115        1.15       87.21
         17 |        125        1.25       88.46
         18 |        121        1.21       89.67
         19 |        108        1.08       90.75
         20 |        110        1.10       91.85
         21 |        119        1.19       93.04
         22 |         87        0.87       93.91
         23 |         79        0.79       94.70
         24 |         65        0.65       95.35
         25 |         62        0.62       95.97
         26 |         53        0.53       96.50
         27 |         59        0.59       97.09
         28 |         42        0.42       97.51
         29 |         50        0.50       98.01
         30 |         40        0.40       98.41
         31 |         25        0.25       98.66
         32 |         14        0.14       98.80
         33 |         17        0.17       98.97
         34 |         22        0.22       99.19
         35 |         17        0.17       99.36
         36 |         16        0.16       99.52
         37 |          6        0.06       99.58
         38 |          9        0.09       99.67
         39 |          6        0.06       99.73
         40 |          7        0.07       99.80
         41 |          7        0.07       99.87
         42 |          1        0.01       99.88
         43 |          3        0.03       99.91
         44 |          2        0.02       99.93
         45 |          3        0.03       99.96
         46 |          1        0.01       99.97
         49 |          1        0.01       99.98
         55 |          1        0.01       99.99
         63 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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