Frequencies for p10 variable in miper dataset :

        p10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        674       71.25       71.25
          1 |          1        0.11       71.35
          2 |         12        1.27       72.62
          3 |          8        0.85       73.47
          4 |         10        1.06       74.52
          5 |         10        1.06       75.58
          6 |          7        0.74       76.32
          7 |          5        0.53       76.85
          8 |          6        0.63       77.48
          9 |          5        0.53       78.01
         10 |         12        1.27       79.28
         11 |         11        1.16       80.44
         12 |          9        0.95       81.40
         13 |         12        1.27       82.66
         14 |         15        1.59       84.25
         15 |         11        1.16       85.41
         16 |         12        1.27       86.68
         17 |         10        1.06       87.74
         18 |         12        1.27       89.01
         19 |         10        1.06       90.06
         20 |         12        1.27       91.33
         21 |         10        1.06       92.39
         22 |          4        0.42       92.81
         23 |         11        1.16       93.97
         24 |          8        0.85       94.82
         25 |          6        0.63       95.45
         26 |          6        0.63       96.09
         27 |          3        0.32       96.41
         28 |          3        0.32       96.72
         29 |          7        0.74       97.46
         30 |          4        0.42       97.89
         31 |          3        0.32       98.20
         32 |          4        0.42       98.63
         33 |          3        0.32       98.94
         34 |          2        0.21       99.15
         35 |          3        0.32       99.47
         36 |          1        0.11       99.58
         37 |          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