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

        p10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,460       64.60       64.60
          1 |         31        0.31       64.91
          2 |         70        0.70       65.61
          3 |         73        0.73       66.34
          4 |         76        0.76       67.10
          5 |         82        0.82       67.92
          6 |         91        0.91       68.83
          7 |         96        0.96       69.79
          8 |        116        1.16       70.95
          9 |        138        1.38       72.33
         10 |        138        1.38       73.71
         11 |        139        1.39       75.10
         12 |        174        1.74       76.84
         13 |        160        1.60       78.44
         14 |        154        1.54       79.98
         15 |        186        1.86       81.84
         16 |        186        1.86       83.70
         17 |        166        1.66       85.36
         18 |        180        1.80       87.16
         19 |        147        1.47       88.63
         20 |        130        1.30       89.93
         21 |        143        1.43       91.36
         22 |        116        1.16       92.52
         23 |        104        1.04       93.56
         24 |         83        0.83       94.39
         25 |         80        0.80       95.19
         26 |         83        0.83       96.02
         27 |         67        0.67       96.69
         28 |         52        0.52       97.21
         29 |         37        0.37       97.58
         30 |         47        0.47       98.05
         31 |         42        0.42       98.47
         32 |         30        0.30       98.77
         33 |         29        0.29       99.06
         34 |         20        0.20       99.26
         35 |         14        0.14       99.40
         36 |          7        0.07       99.47
         37 |         12        0.12       99.59
         38 |         11        0.11       99.70
         39 |          7        0.07       99.77
         40 |          6        0.06       99.83
         41 |          6        0.06       99.89
         42 |          3        0.03       99.92
         43 |          1        0.01       99.93
         45 |          3        0.03       99.96
         48 |          1        0.01       99.97
         54 |          1        0.01       99.98
         59 |          1        0.01       99.99
         62 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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