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

        p10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,556       65.56       65.56
          1 |         27        0.27       65.83
          2 |         64        0.64       66.47
          3 |         56        0.56       67.03
          4 |         76        0.76       67.79
          5 |         79        0.79       68.58
          6 |         94        0.94       69.52
          7 |        106        1.06       70.58
          8 |         97        0.97       71.55
          9 |        125        1.25       72.80
         10 |        122        1.22       74.02
         11 |        125        1.25       75.27
         12 |        148        1.48       76.75
         13 |        155        1.55       78.30
         14 |        173        1.73       80.03
         15 |        162        1.62       81.65
         16 |        159        1.59       83.24
         17 |        162        1.62       84.86
         18 |        183        1.83       86.69
         19 |        164        1.64       88.33
         20 |        143        1.43       89.76
         21 |        117        1.17       90.93
         22 |        142        1.42       92.35
         23 |        117        1.17       93.52
         24 |        118        1.18       94.70
         25 |         84        0.84       95.54
         26 |         87        0.87       96.41
         27 |         52        0.52       96.93
         28 |         48        0.48       97.41
         29 |         48        0.48       97.89
         30 |         31        0.31       98.20
         31 |         37        0.37       98.57
         32 |         29        0.29       98.86
         33 |         28        0.28       99.14
         34 |         11        0.11       99.25
         35 |         10        0.10       99.35
         36 |         10        0.10       99.45
         37 |          8        0.08       99.53
         38 |         13        0.13       99.66
         39 |          8        0.08       99.74
         40 |          6        0.06       99.80
         41 |          4        0.04       99.84
         42 |          2        0.02       99.86
         43 |          4        0.04       99.90
         44 |          1        0.01       99.91
         45 |          1        0.01       99.92
         47 |          1        0.01       99.93
         48 |          2        0.02       99.95
         49 |          1        0.01       99.96
         50 |          1        0.01       99.97
         53 |          2        0.02       99.99
         70 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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