Frequencies for first 10,000 rows of p10 variable in miper dataset :

        p10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,440       74.40       74.40
          1 |         44        0.44       74.84
          2 |         63        0.63       75.47
          3 |         58        0.58       76.05
          4 |         62        0.62       76.67
          5 |         74        0.74       77.41
          6 |         72        0.72       78.13
          7 |         82        0.82       78.95
          8 |         90        0.90       79.85
          9 |         94        0.94       80.79
         10 |        105        1.05       81.84
         11 |         91        0.91       82.75
         12 |         82        0.82       83.57
         13 |        105        1.05       84.62
         14 |        138        1.38       86.00
         15 |         98        0.98       86.98
         16 |        125        1.25       88.23
         17 |        107        1.07       89.30
         18 |        104        1.04       90.34
         19 |        121        1.21       91.55
         20 |         97        0.97       92.52
         21 |         97        0.97       93.49
         22 |         91        0.91       94.40
         23 |         74        0.74       95.14
         24 |         77        0.77       95.91
         25 |         56        0.56       96.47
         26 |         54        0.54       97.01
         27 |         48        0.48       97.49
         28 |         40        0.40       97.89
         29 |         32        0.32       98.21
         30 |         27        0.27       98.48
         31 |         24        0.24       98.72
         32 |         19        0.19       98.91
         33 |         18        0.18       99.09
         34 |         14        0.14       99.23
         35 |          8        0.08       99.31
         36 |         11        0.11       99.42
         37 |         12        0.12       99.54
         38 |          7        0.07       99.61
         39 |          4        0.04       99.65
         40 |          8        0.08       99.73
         41 |          2        0.02       99.75
         42 |          4        0.04       99.79
         43 |          3        0.03       99.82
         44 |          1        0.01       99.83
         45 |          3        0.03       99.86
         46 |          2        0.02       99.88
         47 |          2        0.02       99.90
         48 |          1        0.01       99.91
         49 |          1        0.01       99.92
         51 |          2        0.02       99.94
         55 |          1        0.01       99.95
         58 |          1        0.01       99.96
         61 |          1        0.01       99.97
         65 |          1        0.01       99.98
         68 |          1        0.01       99.99
         69 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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