Frequencies for first 10,000 rows of p8 variable in miper dataset :

         p8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,405       74.05       74.05
          1 |         46        0.46       74.51
          2 |         63        0.63       75.14
          3 |         75        0.75       75.89
          4 |         65        0.65       76.54
          5 |         62        0.62       77.16
          6 |         65        0.65       77.81
          7 |         71        0.71       78.52
          8 |         78        0.78       79.30
          9 |        105        1.05       80.35
         10 |         98        0.98       81.33
         11 |        116        1.16       82.49
         12 |        119        1.19       83.68
         13 |         99        0.99       84.67
         14 |        109        1.09       85.76
         15 |        113        1.13       86.89
         16 |        124        1.24       88.13
         17 |        132        1.32       89.45
         18 |        100        1.00       90.45
         19 |        104        1.04       91.49
         20 |        107        1.07       92.56
         21 |         86        0.86       93.42
         22 |         97        0.97       94.39
         23 |         87        0.87       95.26
         24 |         59        0.59       95.85
         25 |         78        0.78       96.63
         26 |         49        0.49       97.12
         27 |         44        0.44       97.56
         28 |         41        0.41       97.97
         29 |         33        0.33       98.30
         30 |         34        0.34       98.64
         31 |         16        0.16       98.80
         32 |         18        0.18       98.98
         33 |         14        0.14       99.12
         34 |         13        0.13       99.25
         35 |         11        0.11       99.36
         36 |         11        0.11       99.47
         37 |         10        0.10       99.57
         38 |          7        0.07       99.64
         39 |          9        0.09       99.73
         40 |          2        0.02       99.75
         41 |          5        0.05       99.80
         42 |          2        0.02       99.82
         43 |          2        0.02       99.84
         44 |          1        0.01       99.85
         45 |          3        0.03       99.88
         46 |          3        0.03       99.91
         47 |          3        0.03       99.94
         49 |          1        0.01       99.95
         52 |          1        0.01       99.96
         53 |          1        0.01       99.97
         55 |          2        0.02       99.99
         61 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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