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

        p10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,587       75.87       75.87
          1 |         40        0.40       76.27
          2 |         67        0.67       76.94
          3 |         53        0.53       77.47
          4 |         58        0.58       78.05
          5 |         46        0.46       78.51
          6 |         80        0.80       79.31
          7 |         69        0.69       80.00
          8 |         78        0.78       80.78
          9 |         87        0.87       81.65
         10 |         95        0.95       82.60
         11 |         97        0.97       83.57
         12 |        117        1.17       84.74
         13 |         97        0.97       85.71
         14 |         97        0.97       86.68
         15 |        102        1.02       87.70
         16 |         98        0.98       88.68
         17 |         92        0.92       89.60
         18 |         89        0.89       90.49
         19 |         84        0.84       91.33
         20 |         85        0.85       92.18
         21 |        103        1.03       93.21
         22 |         91        0.91       94.12
         23 |         80        0.80       94.92
         24 |         86        0.86       95.78
         25 |         61        0.61       96.39
         26 |         69        0.69       97.08
         27 |         46        0.46       97.54
         28 |         39        0.39       97.93
         29 |         45        0.45       98.38
         30 |         28        0.28       98.66
         31 |         25        0.25       98.91
         32 |         17        0.17       99.08
         33 |         10        0.10       99.18
         34 |         18        0.18       99.36
         35 |         12        0.12       99.48
         36 |         15        0.15       99.63
         37 |          8        0.08       99.71
         38 |          6        0.06       99.77
         39 |          7        0.07       99.84
         40 |          5        0.05       99.89
         41 |          5        0.05       99.94
         42 |          1        0.01       99.95
         46 |          1        0.01       99.96
         49 |          3        0.03       99.99
         51 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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