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

         p6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,777       67.77       67.77
          1 |         27        0.27       68.04
          2 |         64        0.64       68.68
          3 |         75        0.75       69.43
          4 |         62        0.62       70.05
          5 |         84        0.84       70.89
          6 |         81        0.81       71.70
          7 |         97        0.97       72.67
          8 |         79        0.79       73.46
          9 |        106        1.06       74.52
         10 |        141        1.41       75.93
         11 |        124        1.24       77.17
         12 |        129        1.29       78.46
         13 |        134        1.34       79.80
         14 |        152        1.52       81.32
         15 |        156        1.56       82.88
         16 |        159        1.59       84.47
         17 |        146        1.46       85.93
         18 |        152        1.52       87.45
         19 |        132        1.32       88.77
         20 |        150        1.50       90.27
         21 |        118        1.18       91.45
         22 |        115        1.15       92.60
         23 |         86        0.86       93.46
         24 |         94        0.94       94.40
         25 |         91        0.91       95.31
         26 |         77        0.77       96.08
         27 |         59        0.59       96.67
         28 |         57        0.57       97.24
         29 |         50        0.50       97.74
         30 |         43        0.43       98.17
         31 |         44        0.44       98.61
         32 |         20        0.20       98.81
         33 |         20        0.20       99.01
         34 |         18        0.18       99.19
         35 |         10        0.10       99.29
         36 |         13        0.13       99.42
         37 |         13        0.13       99.55
         38 |         10        0.10       99.65
         39 |          6        0.06       99.71
         40 |          3        0.03       99.74
         41 |          4        0.04       99.78
         42 |          2        0.02       99.80
         43 |          5        0.05       99.85
         44 |          1        0.01       99.86
         45 |          4        0.04       99.90
         46 |          2        0.02       99.92
         47 |          3        0.03       99.95
         48 |          1        0.01       99.96
         50 |          1        0.01       99.97
         54 |          1        0.01       99.98
         56 |          1        0.01       99.99
         88 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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