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

        p10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,894       58.94       58.94
          1 |         27        0.27       59.21
          2 |         74        0.74       59.95
          3 |         56        0.56       60.51
          4 |         79        0.79       61.30
          5 |         91        0.91       62.21
          6 |         96        0.96       63.17
          7 |        115        1.15       64.32
          8 |        139        1.39       65.71
          9 |        141        1.41       67.12
         10 |        156        1.56       68.68
         11 |        153        1.53       70.21
         12 |        180        1.80       72.01
         13 |        167        1.67       73.68
         14 |        176        1.76       75.44
         15 |        191        1.91       77.35
         16 |        215        2.15       79.50
         17 |        216        2.16       81.66
         18 |        186        1.86       83.52
         19 |        166        1.66       85.18
         20 |        177        1.77       86.95
         21 |        181        1.81       88.76
         22 |        159        1.59       90.35
         23 |        155        1.55       91.90
         24 |        132        1.32       93.22
         25 |        108        1.08       94.30
         26 |         96        0.96       95.26
         27 |         78        0.78       96.04
         28 |         77        0.77       96.81
         29 |         53        0.53       97.34
         30 |         48        0.48       97.82
         31 |         38        0.38       98.20
         32 |         30        0.30       98.50
         33 |         30        0.30       98.80
         34 |         23        0.23       99.03
         35 |         15        0.15       99.18
         36 |         17        0.17       99.35
         37 |         14        0.14       99.49
         38 |         13        0.13       99.62
         39 |          8        0.08       99.70
         40 |          6        0.06       99.76
         41 |          7        0.07       99.83
         42 |          5        0.05       99.88
         44 |          4        0.04       99.92
         46 |          1        0.01       99.93
         47 |          2        0.02       99.95
         48 |          2        0.02       99.97
         49 |          1        0.01       99.98
         50 |          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