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

         p6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,311       73.11       73.11
          1 |         45        0.45       73.56
          2 |         76        0.76       74.32
          3 |         47        0.47       74.79
          4 |         68        0.68       75.47
          5 |         70        0.70       76.17
          6 |         70        0.70       76.87
          7 |         87        0.87       77.74
          8 |         87        0.87       78.61
          9 |         98        0.98       79.59
         10 |         94        0.94       80.53
         11 |         98        0.98       81.51
         12 |        123        1.23       82.74
         13 |        139        1.39       84.13
         14 |        123        1.23       85.36
         15 |        100        1.00       86.36
         16 |        122        1.22       87.58
         17 |        109        1.09       88.67
         18 |        106        1.06       89.73
         19 |        119        1.19       90.92
         20 |         96        0.96       91.88
         21 |        110        1.10       92.98
         22 |         99        0.99       93.97
         23 |         82        0.82       94.79
         24 |         79        0.79       95.58
         25 |         62        0.62       96.20
         26 |         67        0.67       96.87
         27 |         60        0.60       97.47
         28 |         48        0.48       97.95
         29 |         39        0.39       98.34
         30 |         33        0.33       98.67
         31 |         27        0.27       98.94
         32 |         14        0.14       99.08
         33 |         19        0.19       99.27
         34 |          8        0.08       99.35
         35 |         13        0.13       99.48
         36 |         14        0.14       99.62
         37 |          7        0.07       99.69
         38 |          8        0.08       99.77
         39 |          5        0.05       99.82
         40 |          5        0.05       99.87
         41 |          2        0.02       99.89
         42 |          3        0.03       99.92
         43 |          1        0.01       99.93
         44 |          1        0.01       99.94
         46 |          2        0.02       99.96
         49 |          1        0.01       99.97
         50 |          1        0.01       99.98
         51 |          1        0.01       99.99
         75 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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