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

         p6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,415       74.15       74.15
          1 |         45        0.45       74.60
          2 |         63        0.63       75.23
          3 |         58        0.58       75.81
          4 |         66        0.66       76.47
          5 |         63        0.63       77.10
          6 |         76        0.76       77.86
          7 |         64        0.64       78.50
          8 |         80        0.80       79.30
          9 |         89        0.89       80.19
         10 |         96        0.96       81.15
         11 |        106        1.06       82.21
         12 |         89        0.89       83.10
         13 |        101        1.01       84.11
         14 |        123        1.23       85.34
         15 |        101        1.01       86.35
         16 |        133        1.33       87.68
         17 |         98        0.98       88.66
         18 |        116        1.16       89.82
         19 |        122        1.22       91.04
         20 |        102        1.02       92.06
         21 |         97        0.97       93.03
         22 |        102        1.02       94.05
         23 |         89        0.89       94.94
         24 |         80        0.80       95.74
         25 |         63        0.63       96.37
         26 |         63        0.63       97.00
         27 |         52        0.52       97.52
         28 |         43        0.43       97.95
         29 |         31        0.31       98.26
         30 |         30        0.30       98.56
         31 |         21        0.21       98.77
         32 |         21        0.21       98.98
         33 |         15        0.15       99.13
         34 |         13        0.13       99.26
         35 |         10        0.10       99.36
         36 |         10        0.10       99.46
         37 |         11        0.11       99.57
         38 |          7        0.07       99.64
         39 |          6        0.06       99.70
         40 |          7        0.07       99.77
         41 |          2        0.02       99.79
         42 |          2        0.02       99.81
         43 |          2        0.02       99.83
         44 |          2        0.02       99.85
         45 |          4        0.04       99.89
         46 |          2        0.02       99.91
         47 |          1        0.01       99.92
         48 |          1        0.01       99.93
         49 |          1        0.01       99.94
         51 |          1        0.01       99.95
         58 |          1        0.01       99.96
         61 |          1        0.01       99.97
         65 |          1        0.01       99.98
         68 |          1        0.01       99.99
         69 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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