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

         p6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,457       74.57       74.57
          1 |         28        0.28       74.85
          2 |         66        0.66       75.51
          3 |         57        0.57       76.08
          4 |         47        0.47       76.55
          5 |         58        0.58       77.13
          6 |         84        0.84       77.97
          7 |         62        0.62       78.59
          8 |         85        0.85       79.44
          9 |         84        0.84       80.28
         10 |        113        1.13       81.41
         11 |        111        1.11       82.52
         12 |        103        1.03       83.55
         13 |         98        0.98       84.53
         14 |        109        1.09       85.62
         15 |         92        0.92       86.54
         16 |         99        0.99       87.53
         17 |        108        1.08       88.61
         18 |        121        1.21       89.82
         19 |        110        1.10       90.92
         20 |        100        1.00       91.92
         21 |        116        1.16       93.08
         22 |         89        0.89       93.97
         23 |         87        0.87       94.84
         24 |         60        0.60       95.44
         25 |         64        0.64       96.08
         26 |         45        0.45       96.53
         27 |         63        0.63       97.16
         28 |         50        0.50       97.66
         29 |         36        0.36       98.02
         30 |         36        0.36       98.38
         31 |         22        0.22       98.60
         32 |         21        0.21       98.81
         33 |         18        0.18       98.99
         34 |         20        0.20       99.19
         35 |         21        0.21       99.40
         36 |          9        0.09       99.49
         37 |          7        0.07       99.56
         38 |         13        0.13       99.69
         39 |          5        0.05       99.74
         40 |          7        0.07       99.81
         41 |          2        0.02       99.83
         42 |          4        0.04       99.87
         43 |          5        0.05       99.92
         45 |          1        0.01       99.93
         46 |          1        0.01       99.94
         51 |          1        0.01       99.95
         52 |          1        0.01       99.96
         55 |          1        0.01       99.97
         58 |          1        0.01       99.98
         71 |          1        0.01       99.99
         72 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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