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

        p10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,087       60.87       60.87
          1 |         33        0.33       61.20
          2 |         63        0.63       61.83
          3 |         75        0.75       62.58
          4 |         77        0.77       63.35
          5 |         74        0.74       64.09
          6 |         93        0.93       65.02
          7 |        126        1.26       66.28
          8 |        133        1.33       67.61
          9 |        148        1.48       69.09
         10 |        169        1.69       70.78
         11 |        149        1.49       72.27
         12 |        157        1.57       73.84
         13 |        177        1.77       75.61
         14 |        182        1.82       77.43
         15 |        161        1.61       79.04
         16 |        200        2.00       81.04
         17 |        198        1.98       83.02
         18 |        191        1.91       84.93
         19 |        190        1.90       86.83
         20 |        158        1.58       88.41
         21 |        161        1.61       90.02
         22 |        138        1.38       91.40
         23 |        126        1.26       92.66
         24 |        104        1.04       93.70
         25 |        117        1.17       94.87
         26 |         87        0.87       95.74
         27 |         75        0.75       96.49
         28 |         70        0.70       97.19
         29 |         42        0.42       97.61
         30 |         41        0.41       98.02
         31 |         40        0.40       98.42
         32 |         26        0.26       98.68
         33 |         30        0.30       98.98
         34 |         19        0.19       99.17
         35 |         12        0.12       99.29
         36 |         16        0.16       99.45
         37 |         13        0.13       99.58
         38 |         10        0.10       99.68
         39 |          4        0.04       99.72
         40 |          5        0.05       99.77
         41 |          8        0.08       99.85
         42 |          3        0.03       99.88
         43 |          2        0.02       99.90
         44 |          3        0.03       99.93
         45 |          2        0.02       99.95
         46 |          1        0.01       99.96
         47 |          1        0.01       99.97
         48 |          1        0.01       99.98
         49 |          1        0.01       99.99
         54 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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