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

         p8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,452       74.52       74.52
          1 |         44        0.44       74.96
          2 |         63        0.63       75.59
          3 |         59        0.59       76.18
          4 |         63        0.63       76.81
          5 |         67        0.67       77.48
          6 |         66        0.66       78.14
          7 |         72        0.72       78.86
          8 |         93        0.93       79.79
          9 |         80        0.80       80.59
         10 |        102        1.02       81.61
         11 |         99        0.99       82.60
         12 |         77        0.77       83.37
         13 |         98        0.98       84.35
         14 |        144        1.44       85.79
         15 |         89        0.89       86.68
         16 |        130        1.30       87.98
         17 |        102        1.02       89.00
         18 |        104        1.04       90.04
         19 |        122        1.22       91.26
         20 |         87        0.87       92.13
         21 |         99        0.99       93.12
         22 |         95        0.95       94.07
         23 |         73        0.73       94.80
         24 |         78        0.78       95.58
         25 |         62        0.62       96.20
         26 |         57        0.57       96.77
         27 |         49        0.49       97.26
         28 |         52        0.52       97.78
         29 |         31        0.31       98.09
         30 |         29        0.29       98.38
         31 |         22        0.22       98.60
         32 |         26        0.26       98.86
         33 |         18        0.18       99.04
         34 |         13        0.13       99.17
         35 |          9        0.09       99.26
         36 |         10        0.10       99.36
         37 |         14        0.14       99.50
         38 |          8        0.08       99.58
         39 |          6        0.06       99.64
         40 |         10        0.10       99.74
         41 |          2        0.02       99.76
         42 |          4        0.04       99.80
         43 |          3        0.03       99.83
         44 |          3        0.03       99.86
         45 |          3        0.03       99.89
         46 |          1        0.01       99.90
         47 |          1        0.01       99.91
         48 |          2        0.02       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