Frequencies for p5 variable in miper dataset :

         p5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        676       71.46       71.46
          1 |          1        0.11       71.56
          2 |         10        1.06       72.62
          3 |          8        0.85       73.47
          4 |         10        1.06       74.52
          5 |          9        0.95       75.48
          6 |          6        0.63       76.11
          7 |         11        1.16       77.27
          8 |          7        0.74       78.01
          9 |          8        0.85       78.86
         10 |          9        0.95       79.81
         11 |         13        1.37       81.18
         12 |         11        1.16       82.35
         13 |         12        1.27       83.62
         14 |         15        1.59       85.20
         15 |         11        1.16       86.36
         16 |          9        0.95       87.32
         17 |          8        0.85       88.16
         18 |         11        1.16       89.32
         19 |         12        1.27       90.59
         20 |         12        1.27       91.86
         21 |          5        0.53       92.39
         22 |          2        0.21       92.60
         23 |         12        1.27       93.87
         24 |          9        0.95       94.82
         25 |          7        0.74       95.56
         26 |          7        0.74       96.30
         27 |          6        0.63       96.93
         28 |          2        0.21       97.15
         29 |          8        0.85       97.99
         30 |          3        0.32       98.31
         31 |          1        0.11       98.41
         32 |          3        0.32       98.73
         33 |          3        0.32       99.05
         34 |          3        0.32       99.37
         35 |          2        0.21       99.58
         36 |          1        0.11       99.68
         39 |          1        0.11       99.79
         40 |          2        0.21      100.00
------------+-----------------------------------
      Total |        946      100.00

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