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

         p8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,554       65.54       65.54
          1 |         28        0.28       65.82
          2 |         75        0.75       66.57
          3 |         54        0.54       67.11
          4 |         80        0.80       67.91
          5 |         70        0.70       68.61
          6 |         92        0.92       69.53
          7 |        106        1.06       70.59
          8 |        110        1.10       71.69
          9 |        113        1.13       72.82
         10 |        117        1.17       73.99
         11 |        129        1.29       75.28
         12 |        153        1.53       76.81
         13 |        148        1.48       78.29
         14 |        169        1.69       79.98
         15 |        158        1.58       81.56
         16 |        163        1.63       83.19
         17 |        151        1.51       84.70
         18 |        181        1.81       86.51
         19 |        165        1.65       88.16
         20 |        154        1.54       89.70
         21 |        130        1.30       91.00
         22 |        144        1.44       92.44
         23 |         99        0.99       93.43
         24 |        113        1.13       94.56
         25 |         88        0.88       95.44
         26 |         90        0.90       96.34
         27 |         56        0.56       96.90
         28 |         51        0.51       97.41
         29 |         42        0.42       97.83
         30 |         36        0.36       98.19
         31 |         39        0.39       98.58
         32 |         23        0.23       98.81
         33 |         26        0.26       99.07
         34 |         16        0.16       99.23
         35 |         12        0.12       99.35
         36 |         13        0.13       99.48
         37 |         10        0.10       99.58
         38 |         10        0.10       99.68
         39 |          8        0.08       99.76
         40 |          4        0.04       99.80
         41 |          3        0.03       99.83
         42 |          2        0.02       99.85
         43 |          5        0.05       99.90
         44 |          1        0.01       99.91
         45 |          1        0.01       99.92
         46 |          1        0.01       99.93
         47 |          1        0.01       99.94
         48 |          1        0.01       99.95
         49 |          1        0.01       99.96
         50 |          1        0.01       99.97
         53 |          2        0.02       99.99
         70 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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