Frequencies for first 10,000 rows of p6 variable in miper dataset :

         p6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,380       73.80       73.80
          1 |         34        0.34       74.14
          2 |         59        0.59       74.73
          3 |         51        0.51       75.24
          4 |         48        0.48       75.72
          5 |         49        0.49       76.21
          6 |         69        0.69       76.90
          7 |         83        0.83       77.73
          8 |         98        0.98       78.71
          9 |         90        0.90       79.61
         10 |         79        0.79       80.40
         11 |        105        1.05       81.45
         12 |        102        1.02       82.47
         13 |        120        1.20       83.67
         14 |        119        1.19       84.86
         15 |        114        1.14       86.00
         16 |        113        1.13       87.13
         17 |        105        1.05       88.18
         18 |        112        1.12       89.30
         19 |        115        1.15       90.45
         20 |        102        1.02       91.47
         21 |        109        1.09       92.56
         22 |         88        0.88       93.44
         23 |         82        0.82       94.26
         24 |         84        0.84       95.10
         25 |         60        0.60       95.70
         26 |         71        0.71       96.41
         27 |         58        0.58       96.99
         28 |         50        0.50       97.49
         29 |         38        0.38       97.87
         30 |         29        0.29       98.16
         31 |         34        0.34       98.50
         32 |         20        0.20       98.70
         33 |         20        0.20       98.90
         34 |         24        0.24       99.14
         35 |         15        0.15       99.29
         36 |          8        0.08       99.37
         37 |         16        0.16       99.53
         38 |         13        0.13       99.66
         39 |          7        0.07       99.73
         40 |          9        0.09       99.82
         41 |          5        0.05       99.87
         43 |          3        0.03       99.90
         44 |          2        0.02       99.92
         45 |          2        0.02       99.94
         46 |          3        0.03       99.97
         48 |          1        0.01       99.98
         53 |          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