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

        p10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,643       66.43       66.43
          1 |         33        0.33       66.76
          2 |         63        0.63       67.39
          3 |         70        0.70       68.09
          4 |         64        0.64       68.73
          5 |         83        0.83       69.56
          6 |         78        0.78       70.34
          7 |        112        1.12       71.46
          8 |         97        0.97       72.43
          9 |        130        1.30       73.73
         10 |        116        1.16       74.89
         11 |        135        1.35       76.24
         12 |        148        1.48       77.72
         13 |        160        1.60       79.32
         14 |        161        1.61       80.93
         15 |        159        1.59       82.52
         16 |        160        1.60       84.12
         17 |        152        1.52       85.64
         18 |        154        1.54       87.18
         19 |        119        1.19       88.37
         20 |        144        1.44       89.81
         21 |        145        1.45       91.26
         22 |        117        1.17       92.43
         23 |        112        1.12       93.55
         24 |         96        0.96       94.51
         25 |         88        0.88       95.39
         26 |         71        0.71       96.10
         27 |         76        0.76       96.86
         28 |         56        0.56       97.42
         29 |         51        0.51       97.93
         30 |         36        0.36       98.29
         31 |         27        0.27       98.56
         32 |         27        0.27       98.83
         33 |         28        0.28       99.11
         34 |         17        0.17       99.28
         35 |          9        0.09       99.37
         36 |          8        0.08       99.45
         37 |         11        0.11       99.56
         38 |         12        0.12       99.68
         39 |          9        0.09       99.77
         40 |          3        0.03       99.80
         41 |          4        0.04       99.84
         42 |          1        0.01       99.85
         43 |          2        0.02       99.87
         44 |          3        0.03       99.90
         45 |          2        0.02       99.92
         46 |          2        0.02       99.94
         49 |          2        0.02       99.96
         54 |          1        0.01       99.97
         56 |          1        0.01       99.98
         59 |          1        0.01       99.99
         80 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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