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

        p10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,491       74.91       74.91
          1 |         36        0.36       75.27
          2 |         59        0.59       75.86
          3 |         48        0.48       76.34
          4 |         71        0.71       77.05
          5 |         61        0.61       77.66
          6 |         61        0.61       78.27
          7 |         58        0.58       78.85
          8 |         73        0.73       79.58
          9 |         79        0.79       80.37
         10 |         76        0.76       81.13
         11 |         93        0.93       82.06
         12 |         86        0.86       82.92
         13 |         88        0.88       83.80
         14 |        109        1.09       84.89
         15 |        104        1.04       85.93
         16 |        120        1.20       87.13
         17 |        124        1.24       88.37
         18 |        120        1.20       89.57
         19 |        114        1.14       90.71
         20 |         97        0.97       91.68
         21 |        109        1.09       92.77
         22 |         81        0.81       93.58
         23 |         89        0.89       94.47
         24 |         66        0.66       95.13
         25 |         76        0.76       95.89
         26 |         52        0.52       96.41
         27 |         61        0.61       97.02
         28 |         52        0.52       97.54
         29 |         42        0.42       97.96
         30 |         31        0.31       98.27
         31 |         32        0.32       98.59
         32 |         26        0.26       98.85
         33 |         16        0.16       99.01
         34 |         19        0.19       99.20
         35 |         13        0.13       99.33
         36 |         14        0.14       99.47
         37 |          9        0.09       99.56
         38 |          7        0.07       99.63
         39 |          8        0.08       99.71
         40 |          6        0.06       99.77
         41 |          4        0.04       99.81
         42 |          3        0.03       99.84
         45 |          3        0.03       99.87
         46 |          1        0.01       99.88
         47 |          2        0.02       99.90
         48 |          1        0.01       99.91
         49 |          1        0.01       99.92
         51 |          2        0.02       99.94
         54 |          1        0.01       99.95
         58 |          1        0.01       99.96
         60 |          1        0.01       99.97
         62 |          1        0.01       99.98
         66 |          1        0.01       99.99
         83 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016