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

         p8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,177       71.77       71.77
          1 |         32        0.32       72.09
          2 |         76        0.76       72.85
          3 |         58        0.58       73.43
          4 |         68        0.68       74.11
          5 |         60        0.60       74.71
          6 |         78        0.78       75.49
          7 |         63        0.63       76.12
          8 |         95        0.95       77.07
          9 |         96        0.96       78.03
         10 |         99        0.99       79.02
         11 |        115        1.15       80.17
         12 |        120        1.20       81.37
         13 |        139        1.39       82.76
         14 |        113        1.13       83.89
         15 |        127        1.27       85.16
         16 |        131        1.31       86.47
         17 |        121        1.21       87.68
         18 |        127        1.27       88.95
         19 |        118        1.18       90.13
         20 |        129        1.29       91.42
         21 |         98        0.98       92.40
         22 |        110        1.10       93.50
         23 |         84        0.84       94.34
         24 |         96        0.96       95.30
         25 |         59        0.59       95.89
         26 |         52        0.52       96.41
         27 |         50        0.50       96.91
         28 |         47        0.47       97.38
         29 |         58        0.58       97.96
         30 |         42        0.42       98.38
         31 |         22        0.22       98.60
         32 |         30        0.30       98.90
         33 |         24        0.24       99.14
         34 |         17        0.17       99.31
         35 |         12        0.12       99.43
         36 |         11        0.11       99.54
         37 |          9        0.09       99.63
         38 |          6        0.06       99.69
         39 |          6        0.06       99.75
         40 |          6        0.06       99.81
         41 |          4        0.04       99.85
         42 |          3        0.03       99.88
         43 |          1        0.01       99.89
         44 |          1        0.01       99.90
         45 |          5        0.05       99.95
         46 |          1        0.01       99.96
         48 |          1        0.01       99.97
         54 |          1        0.01       99.98
         55 |          1        0.01       99.99
         56 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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