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

        p10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,526       75.26       75.26
          1 |         46        0.46       75.72
          2 |         60        0.60       76.32
          3 |         41        0.41       76.73
          4 |         57        0.57       77.30
          5 |         47        0.47       77.77
          6 |         53        0.53       78.30
          7 |         69        0.69       78.99
          8 |         78        0.78       79.77
          9 |         72        0.72       80.49
         10 |        105        1.05       81.54
         11 |         81        0.81       82.35
         12 |         94        0.94       83.29
         13 |        108        1.08       84.37
         14 |        129        1.29       85.66
         15 |         99        0.99       86.65
         16 |        133        1.33       87.98
         17 |         98        0.98       88.96
         18 |        104        1.04       90.00
         19 |        103        1.03       91.03
         20 |        117        1.17       92.20
         21 |         95        0.95       93.15
         22 |         83        0.83       93.98
         23 |         67        0.67       94.65
         24 |         88        0.88       95.53
         25 |         61        0.61       96.14
         26 |         60        0.60       96.74
         27 |         44        0.44       97.18
         28 |         44        0.44       97.62
         29 |         28        0.28       97.90
         30 |         34        0.34       98.24
         31 |         32        0.32       98.56
         32 |         25        0.25       98.81
         33 |         19        0.19       99.00
         34 |          9        0.09       99.09
         35 |         17        0.17       99.26
         36 |          9        0.09       99.35
         37 |         11        0.11       99.46
         38 |          5        0.05       99.51
         39 |          9        0.09       99.60
         40 |          7        0.07       99.67
         41 |          5        0.05       99.72
         42 |          7        0.07       99.79
         43 |          2        0.02       99.81
         44 |          2        0.02       99.83
         45 |          4        0.04       99.87
         47 |          3        0.03       99.90
         48 |          2        0.02       99.92
         49 |          1        0.01       99.93
         50 |          1        0.01       99.94
         52 |          1        0.01       99.95
         53 |          3        0.03       99.98
         56 |          1        0.01       99.99
         65 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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