Frequencies for first 10,000 rows of p8 variable in miper dataset :

         p8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,478       74.78       74.78
          1 |         36        0.36       75.14
          2 |         63        0.63       75.77
          3 |         48        0.48       76.25
          4 |         63        0.63       76.88
          5 |         66        0.66       77.54
          6 |         59        0.59       78.13
          7 |         61        0.61       78.74
          8 |         81        0.81       79.55
          9 |         80        0.80       80.35
         10 |         64        0.64       80.99
         11 |         91        0.91       81.90
         12 |         89        0.89       82.79
         13 |         88        0.88       83.67
         14 |        107        1.07       84.74
         15 |         93        0.93       85.67
         16 |        129        1.29       86.96
         17 |        120        1.20       88.16
         18 |        124        1.24       89.40
         19 |        116        1.16       90.56
         20 |         93        0.93       91.49
         21 |        106        1.06       92.55
         22 |         86        0.86       93.41
         23 |         91        0.91       94.32
         24 |         72        0.72       95.04
         25 |         86        0.86       95.90
         26 |         52        0.52       96.42
         27 |         54        0.54       96.96
         28 |         49        0.49       97.45
         29 |         43        0.43       97.88
         30 |         32        0.32       98.20
         31 |         37        0.37       98.57
         32 |         30        0.30       98.87
         33 |         21        0.21       99.08
         34 |         23        0.23       99.31
         35 |         12        0.12       99.43
         36 |         12        0.12       99.55
         37 |          7        0.07       99.62
         38 |          6        0.06       99.68
         39 |          8        0.08       99.76
         40 |          4        0.04       99.80
         41 |          2        0.02       99.82
         42 |          2        0.02       99.84
         44 |          1        0.01       99.85
         45 |          4        0.04       99.89
         46 |          1        0.01       99.90
         47 |          2        0.02       99.92
         48 |          1        0.01       99.93
         50 |          1        0.01       99.94
         51 |          1        0.01       99.95
         54 |          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