Frequencies for first 10,000 rows of p5 variable in miper dataset :

         p5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,307       73.07       73.07
          1 |         44        0.44       73.51
          2 |         72        0.72       74.23
          3 |         45        0.45       74.68
          4 |         76        0.76       75.44
          5 |         59        0.59       76.03
          6 |         68        0.68       76.71
          7 |         97        0.97       77.68
          8 |         85        0.85       78.53
          9 |        100        1.00       79.53
         10 |         92        0.92       80.45
         11 |         97        0.97       81.42
         12 |        112        1.12       82.54
         13 |        146        1.46       84.00
         14 |        107        1.07       85.07
         15 |        114        1.14       86.21
         16 |        126        1.26       87.47
         17 |        110        1.10       88.57
         18 |        108        1.08       89.65
         19 |        131        1.31       90.96
         20 |        105        1.05       92.01
         21 |         94        0.94       92.95
         22 |         94        0.94       93.89
         23 |         81        0.81       94.70
         24 |         82        0.82       95.52
         25 |         51        0.51       96.03
         26 |         64        0.64       96.67
         27 |         54        0.54       97.21
         28 |         56        0.56       97.77
         29 |         40        0.40       98.17
         30 |         33        0.33       98.50
         31 |         32        0.32       98.82
         32 |         15        0.15       98.97
         33 |         21        0.21       99.18
         34 |         13        0.13       99.31
         35 |         13        0.13       99.44
         36 |         11        0.11       99.55
         37 |          7        0.07       99.62
         38 |          9        0.09       99.71
         39 |          5        0.05       99.76
         40 |          7        0.07       99.83
         41 |          1        0.01       99.84
         42 |          2        0.02       99.86
         43 |          2        0.02       99.88
         44 |          1        0.01       99.89
         45 |          2        0.02       99.91
         46 |          2        0.02       99.93
         47 |          2        0.02       99.95
         50 |          1        0.01       99.96
         51 |          1        0.01       99.97
         52 |          1        0.01       99.98
         55 |          1        0.01       99.99
         75 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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