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

        p10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,378       63.78       63.78
          1 |         48        0.48       64.26
          2 |         76        0.76       65.02
          3 |         78        0.78       65.80
          4 |         69        0.69       66.49
          5 |         89        0.89       67.38
          6 |        102        1.02       68.40
          7 |        118        1.18       69.58
          8 |         93        0.93       70.51
          9 |        132        1.32       71.83
         10 |        117        1.17       73.00
         11 |        135        1.35       74.35
         12 |        144        1.44       75.79
         13 |        172        1.72       77.51
         14 |        163        1.63       79.14
         15 |        166        1.66       80.80
         16 |        194        1.94       82.74
         17 |        183        1.83       84.57
         18 |        164        1.64       86.21
         19 |        165        1.65       87.86
         20 |        154        1.54       89.40
         21 |        148        1.48       90.88
         22 |        134        1.34       92.22
         23 |        115        1.15       93.37
         24 |         94        0.94       94.31
         25 |         90        0.90       95.21
         26 |         90        0.90       96.11
         27 |         66        0.66       96.77
         28 |         65        0.65       97.42
         29 |         42        0.42       97.84
         30 |         42        0.42       98.26
         31 |         30        0.30       98.56
         32 |         30        0.30       98.86
         33 |         23        0.23       99.09
         34 |         21        0.21       99.30
         35 |         12        0.12       99.42
         36 |         10        0.10       99.52
         37 |          9        0.09       99.61
         38 |          2        0.02       99.63
         39 |          6        0.06       99.69
         40 |          6        0.06       99.75
         41 |          3        0.03       99.78
         42 |          3        0.03       99.81
         43 |          3        0.03       99.84
         44 |          3        0.03       99.87
         45 |          1        0.01       99.88
         46 |          2        0.02       99.90
         47 |          1        0.01       99.91
         48 |          3        0.03       99.94
         49 |          2        0.02       99.96
         51 |          1        0.01       99.97
         59 |          1        0.01       99.98
         69 |          1        0.01       99.99
         72 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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