Frequencies for p10 variable in miper dataset :

        p10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        562       68.70       68.70
          1 |          1        0.12       68.83
          2 |          7        0.86       69.68
          3 |          6        0.73       70.42
          4 |          7        0.86       71.27
          5 |          3        0.37       71.64
          6 |          1        0.12       71.76
          7 |          7        0.86       72.62
          8 |         10        1.22       73.84
          9 |          9        1.10       74.94
         10 |          7        0.86       75.79
         11 |          7        0.86       76.65
         12 |         13        1.59       78.24
         13 |         10        1.22       79.46
         14 |          9        1.10       80.56
         15 |         16        1.96       82.52
         16 |         11        1.34       83.86
         17 |         13        1.59       85.45
         18 |          7        0.86       86.31
         19 |         18        2.20       88.51
         20 |         10        1.22       89.73
         21 |          4        0.49       90.22
         22 |         13        1.59       91.81
         23 |         10        1.22       93.03
         24 |          8        0.98       94.01
         25 |          3        0.37       94.38
         26 |          5        0.61       94.99
         27 |          5        0.61       95.60
         28 |          9        1.10       96.70
         29 |          7        0.86       97.56
         30 |          3        0.37       97.92
         31 |          4        0.49       98.41
         32 |          3        0.37       98.78
         33 |          1        0.12       98.90
         34 |          2        0.24       99.14
         36 |          2        0.24       99.39
         37 |          2        0.24       99.63
         39 |          2        0.24       99.88
         41 |          1        0.12      100.00
------------+-----------------------------------
      Total |        818      100.00

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