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

         p8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,989       69.89       69.89
          1 |         39        0.39       70.28
          2 |         67        0.67       70.95
          3 |         70        0.70       71.65
          4 |         63        0.63       72.28
          5 |         62        0.62       72.90
          6 |         70        0.70       73.60
          7 |         87        0.87       74.47
          8 |         91        0.91       75.38
          9 |         92        0.92       76.30
         10 |        130        1.30       77.60
         11 |        107        1.07       78.67
         12 |        144        1.44       80.11
         13 |        131        1.31       81.42
         14 |        139        1.39       82.81
         15 |        160        1.60       84.41
         16 |        158        1.58       85.99
         17 |        123        1.23       87.22
         18 |        131        1.31       88.53
         19 |        126        1.26       89.79
         20 |        117        1.17       90.96
         21 |        136        1.36       92.32
         22 |        120        1.20       93.52
         23 |         92        0.92       94.44
         24 |         79        0.79       95.23
         25 |         79        0.79       96.02
         26 |         62        0.62       96.64
         27 |         68        0.68       97.32
         28 |         51        0.51       97.83
         29 |         42        0.42       98.25
         30 |         29        0.29       98.54
         31 |         25        0.25       98.79
         32 |         17        0.17       98.96
         33 |         18        0.18       99.14
         34 |         21        0.21       99.35
         35 |         18        0.18       99.53
         36 |         12        0.12       99.65
         37 |          8        0.08       99.73
         38 |          7        0.07       99.80
         39 |          6        0.06       99.86
         40 |          3        0.03       99.89
         41 |          1        0.01       99.90
         42 |          2        0.02       99.92
         43 |          1        0.01       99.93
         44 |          3        0.03       99.96
         48 |          1        0.01       99.97
         49 |          1        0.01       99.98
         50 |          1        0.01       99.99
         62 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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