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

         p8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,360       63.60       63.60
          1 |         47        0.47       64.07
          2 |         82        0.82       64.89
          3 |         88        0.88       65.77
          4 |         61        0.61       66.38
          5 |         91        0.91       67.29
          6 |        104        1.04       68.33
          7 |        116        1.16       69.49
          8 |        112        1.12       70.61
          9 |        133        1.33       71.94
         10 |        126        1.26       73.20
         11 |        152        1.52       74.72
         12 |        144        1.44       76.16
         13 |        169        1.69       77.85
         14 |        175        1.75       79.60
         15 |        183        1.83       81.43
         16 |        190        1.90       83.33
         17 |        178        1.78       85.11
         18 |        159        1.59       86.70
         19 |        155        1.55       88.25
         20 |        168        1.68       89.93
         21 |        132        1.32       91.25
         22 |        136        1.36       92.61
         23 |        102        1.02       93.63
         24 |         85        0.85       94.48
         25 |         85        0.85       95.33
         26 |         80        0.80       96.13
         27 |         61        0.61       96.74
         28 |         63        0.63       97.37
         29 |         44        0.44       97.81
         30 |         33        0.33       98.14
         31 |         31        0.31       98.45
         32 |         32        0.32       98.77
         33 |         22        0.22       98.99
         34 |         19        0.19       99.18
         35 |         14        0.14       99.32
         36 |         10        0.10       99.42
         37 |         12        0.12       99.54
         38 |          4        0.04       99.58
         39 |          7        0.07       99.65
         40 |          6        0.06       99.71
         41 |          4        0.04       99.75
         42 |          2        0.02       99.77
         43 |          4        0.04       99.81
         44 |          4        0.04       99.85
         45 |          2        0.02       99.87
         46 |          3        0.03       99.90
         47 |          2        0.02       99.92
         48 |          1        0.01       99.93
         49 |          2        0.02       99.95
         50 |          1        0.01       99.96
         51 |          1        0.01       99.97
         53 |          1        0.01       99.98
         58 |          1        0.01       99.99
         59 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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