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

        p10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,469       74.69       74.69
          1 |         31        0.31       75.00
          2 |         61        0.61       75.61
          3 |         49        0.49       76.10
          4 |         62        0.62       76.72
          5 |         53        0.53       77.25
          6 |         71        0.71       77.96
          7 |         69        0.69       78.65
          8 |         61        0.61       79.26
          9 |         86        0.86       80.12
         10 |         99        0.99       81.11
         11 |        102        1.02       82.13
         12 |         97        0.97       83.10
         13 |        109        1.09       84.19
         14 |        121        1.21       85.40
         15 |        109        1.09       86.49
         16 |        135        1.35       87.84
         17 |        117        1.17       89.01
         18 |         98        0.98       89.99
         19 |        119        1.19       91.18
         20 |        101        1.01       92.19
         21 |         98        0.98       93.17
         22 |         90        0.90       94.07
         23 |         83        0.83       94.90
         24 |         67        0.67       95.57
         25 |         63        0.63       96.20
         26 |         69        0.69       96.89
         27 |         38        0.38       97.27
         28 |         44        0.44       97.71
         29 |         33        0.33       98.04
         30 |         35        0.35       98.39
         31 |         27        0.27       98.66
         32 |         31        0.31       98.97
         33 |         19        0.19       99.16
         34 |         15        0.15       99.31
         35 |         10        0.10       99.41
         36 |          8        0.08       99.49
         37 |          8        0.08       99.57
         38 |         10        0.10       99.67
         39 |          6        0.06       99.73
         40 |          7        0.07       99.80
         41 |          5        0.05       99.85
         42 |          4        0.04       99.89
         43 |          3        0.03       99.92
         44 |          3        0.03       99.95
         45 |          1        0.01       99.96
         51 |          1        0.01       99.97
         62 |          1        0.01       99.98
         67 |          1        0.01       99.99
         77 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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