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

         p6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,388       73.88       73.88
          1 |         34        0.34       74.22
          2 |         60        0.60       74.82
          3 |         47        0.47       75.29
          4 |         51        0.51       75.80
          5 |         58        0.58       76.38
          6 |         65        0.65       77.03
          7 |         75        0.75       77.78
          8 |         74        0.74       78.52
          9 |         78        0.78       79.30
         10 |         86        0.86       80.16
         11 |        100        1.00       81.16
         12 |        101        1.01       82.17
         13 |        102        1.02       83.19
         14 |        117        1.17       84.36
         15 |        124        1.24       85.60
         16 |        122        1.22       86.82
         17 |        121        1.21       88.03
         18 |        121        1.21       89.24
         19 |        119        1.19       90.43
         20 |        108        1.08       91.51
         21 |        111        1.11       92.62
         22 |         86        0.86       93.48
         23 |         87        0.87       94.35
         24 |         86        0.86       95.21
         25 |         81        0.81       96.02
         26 |         72        0.72       96.74
         27 |         44        0.44       97.18
         28 |         50        0.50       97.68
         29 |         32        0.32       98.00
         30 |         41        0.41       98.41
         31 |         29        0.29       98.70
         32 |         19        0.19       98.89
         33 |         21        0.21       99.10
         34 |         11        0.11       99.21
         35 |         10        0.10       99.31
         36 |         19        0.19       99.50
         37 |         10        0.10       99.60
         38 |          8        0.08       99.68
         39 |          5        0.05       99.73
         40 |          6        0.06       99.79
         42 |          2        0.02       99.81
         43 |          2        0.02       99.83
         44 |          6        0.06       99.89
         45 |          1        0.01       99.90
         46 |          1        0.01       99.91
         48 |          2        0.02       99.93
         49 |          1        0.01       99.94
         50 |          1        0.01       99.95
         67 |          1        0.01       99.96
         68 |          1        0.01       99.97
         79 |          1        0.01       99.98
         94 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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