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

         p8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,356       73.56       73.56
          1 |         43        0.43       73.99
          2 |         63        0.63       74.62
          3 |         57        0.57       75.19
          4 |         66        0.66       75.85
          5 |         53        0.53       76.38
          6 |         70        0.70       77.08
          7 |         84        0.84       77.92
          8 |         84        0.84       78.76
          9 |         89        0.89       79.65
         10 |         99        0.99       80.64
         11 |         98        0.98       81.62
         12 |        115        1.15       82.77
         13 |        127        1.27       84.04
         14 |         98        0.98       85.02
         15 |        111        1.11       86.13
         16 |        104        1.04       87.17
         17 |        133        1.33       88.50
         18 |        122        1.22       89.72
         19 |        119        1.19       90.91
         20 |        110        1.10       92.01
         21 |        107        1.07       93.08
         22 |        105        1.05       94.13
         23 |         78        0.78       94.91
         24 |         69        0.69       95.60
         25 |         58        0.58       96.18
         26 |         50        0.50       96.68
         27 |         57        0.57       97.25
         28 |         40        0.40       97.65
         29 |         33        0.33       97.98
         30 |         28        0.28       98.26
         31 |         24        0.24       98.50
         32 |         24        0.24       98.74
         33 |         19        0.19       98.93
         34 |         25        0.25       99.18
         35 |         14        0.14       99.32
         36 |         13        0.13       99.45
         37 |          9        0.09       99.54
         38 |          5        0.05       99.59
         39 |          8        0.08       99.67
         40 |          6        0.06       99.73
         41 |          4        0.04       99.77
         42 |          5        0.05       99.82
         43 |          4        0.04       99.86
         44 |          2        0.02       99.88
         45 |          3        0.03       99.91
         46 |          1        0.01       99.92
         47 |          2        0.02       99.94
         48 |          2        0.02       99.96
         51 |          1        0.01       99.97
         52 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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