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

         p8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,503       75.03       75.03
          1 |         36        0.36       75.39
          2 |         66        0.66       76.05
          3 |         56        0.56       76.61
          4 |         47        0.47       77.08
          5 |         65        0.65       77.73
          6 |         72        0.72       78.45
          7 |         77        0.77       79.22
          8 |         82        0.82       80.04
          9 |         78        0.78       80.82
         10 |         89        0.89       81.71
         11 |        112        1.12       82.83
         12 |        109        1.09       83.92
         13 |         92        0.92       84.84
         14 |        100        1.00       85.84
         15 |        123        1.23       87.07
         16 |        126        1.26       88.33
         17 |        115        1.15       89.48
         18 |        131        1.31       90.79
         19 |         87        0.87       91.66
         20 |         97        0.97       92.63
         21 |         89        0.89       93.52
         22 |         91        0.91       94.43
         23 |         66        0.66       95.09
         24 |         72        0.72       95.81
         25 |         65        0.65       96.46
         26 |         48        0.48       96.94
         27 |         60        0.60       97.54
         28 |         45        0.45       97.99
         29 |         28        0.28       98.27
         30 |         29        0.29       98.56
         31 |         25        0.25       98.81
         32 |         23        0.23       99.04
         33 |         13        0.13       99.17
         34 |         15        0.15       99.32
         35 |         10        0.10       99.42
         36 |          4        0.04       99.46
         37 |          8        0.08       99.54
         38 |          9        0.09       99.63
         39 |          4        0.04       99.67
         40 |          8        0.08       99.75
         41 |          3        0.03       99.78
         42 |          2        0.02       99.80
         43 |          1        0.01       99.81
         45 |          4        0.04       99.85
         46 |          2        0.02       99.87
         47 |          3        0.03       99.90
         48 |          3        0.03       99.93
         49 |          1        0.01       99.94
         50 |          1        0.01       99.95
         53 |          1        0.01       99.96
         55 |          2        0.02       99.98
         58 |          1        0.01       99.99
         70 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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