Frequencies for first 10,000 rows of p6 variable in miper dataset :

         p6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,511       75.11       75.11
          1 |         37        0.37       75.48
          2 |         60        0.60       76.08
          3 |         51        0.51       76.59
          4 |         67        0.67       77.26
          5 |         61        0.61       77.87
          6 |         59        0.59       78.46
          7 |         59        0.59       79.05
          8 |         61        0.61       79.66
          9 |         81        0.81       80.47
         10 |         72        0.72       81.19
         11 |         86        0.86       82.05
         12 |         80        0.80       82.85
         13 |         83        0.83       83.68
         14 |        110        1.10       84.78
         15 |        102        1.02       85.80
         16 |        127        1.27       87.07
         17 |        117        1.17       88.24
         18 |        122        1.22       89.46
         19 |        113        1.13       90.59
         20 |        100        1.00       91.59
         21 |        112        1.12       92.71
         22 |         80        0.80       93.51
         23 |         83        0.83       94.34
         24 |         70        0.70       95.04
         25 |         85        0.85       95.89
         26 |         56        0.56       96.45
         27 |         60        0.60       97.05
         28 |         51        0.51       97.56
         29 |         40        0.40       97.96
         30 |         34        0.34       98.30
         31 |         31        0.31       98.61
         32 |         30        0.30       98.91
         33 |         15        0.15       99.06
         34 |         20        0.20       99.26
         35 |         12        0.12       99.38
         36 |         10        0.10       99.48
         37 |          8        0.08       99.56
         38 |          5        0.05       99.61
         39 |          7        0.07       99.68
         40 |          7        0.07       99.75
         41 |          3        0.03       99.78
         42 |          4        0.04       99.82
         43 |          1        0.01       99.83
         45 |          4        0.04       99.87
         46 |          1        0.01       99.88
         47 |          3        0.03       99.91
         48 |          1        0.01       99.92
         50 |          1        0.01       99.93
         51 |          1        0.01       99.94
         54 |          1        0.01       99.95
         56 |          1        0.01       99.96
         58 |          1        0.01       99.97
         60 |          1        0.01       99.98
         62 |          1        0.01       99.99
         66 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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