Frequencies for first 10,000 rows of p5 variable in miper dataset :

         p5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,495       74.95       74.95
          1 |         46        0.46       75.41
          2 |         56        0.56       75.97
          3 |         40        0.40       76.37
          4 |         54        0.54       76.91
          5 |         42        0.42       77.33
          6 |         52        0.52       77.85
          7 |         55        0.55       78.40
          8 |         97        0.97       79.37
          9 |         71        0.71       80.08
         10 |        107        1.07       81.15
         11 |         94        0.94       82.09
         12 |         92        0.92       83.01
         13 |        115        1.15       84.16
         14 |        120        1.20       85.36
         15 |        110        1.10       86.46
         16 |        132        1.32       87.78
         17 |        102        1.02       88.80
         18 |        126        1.26       90.06
         19 |         96        0.96       91.02
         20 |        126        1.26       92.28
         21 |        101        1.01       93.29
         22 |         89        0.89       94.18
         23 |         64        0.64       94.82
         24 |         75        0.75       95.57
         25 |         72        0.72       96.29
         26 |         49        0.49       96.78
         27 |         48        0.48       97.26
         28 |         38        0.38       97.64
         29 |         29        0.29       97.93
         30 |         32        0.32       98.25
         31 |         29        0.29       98.54
         32 |         27        0.27       98.81
         33 |         16        0.16       98.97
         34 |         13        0.13       99.10
         35 |         14        0.14       99.24
         36 |          9        0.09       99.33
         37 |          8        0.08       99.41
         38 |          4        0.04       99.45
         39 |          8        0.08       99.53
         40 |          9        0.09       99.62
         41 |          5        0.05       99.67
         42 |          8        0.08       99.75
         43 |          2        0.02       99.77
         44 |          5        0.05       99.82
         45 |          3        0.03       99.85
         47 |          2        0.02       99.87
         48 |          2        0.02       99.89
         49 |          1        0.01       99.90
         50 |          3        0.03       99.93
         53 |          4        0.04       99.97
         55 |          1        0.01       99.98
         65 |          1        0.01       99.99
         77 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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