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

         p6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,963       69.63       69.63
          1 |         41        0.41       70.04
          2 |         66        0.66       70.70
          3 |         77        0.77       71.47
          4 |         80        0.80       72.27
          5 |         72        0.72       72.99
          6 |         81        0.81       73.80
          7 |         96        0.96       74.76
          8 |         90        0.90       75.66
          9 |        110        1.10       76.76
         10 |        122        1.22       77.98
         11 |        100        1.00       78.98
         12 |        122        1.22       80.20
         13 |        131        1.31       81.51
         14 |        145        1.45       82.96
         15 |        164        1.64       84.60
         16 |        142        1.42       86.02
         17 |        125        1.25       87.27
         18 |        132        1.32       88.59
         19 |        123        1.23       89.82
         20 |        128        1.28       91.10
         21 |        125        1.25       92.35
         22 |        115        1.15       93.50
         23 |         94        0.94       94.44
         24 |         79        0.79       95.23
         25 |         82        0.82       96.05
         26 |         63        0.63       96.68
         27 |         69        0.69       97.37
         28 |         43        0.43       97.80
         29 |         46        0.46       98.26
         30 |         24        0.24       98.50
         31 |         27        0.27       98.77
         32 |         21        0.21       98.98
         33 |         17        0.17       99.15
         34 |         23        0.23       99.38
         35 |         16        0.16       99.54
         36 |         13        0.13       99.67
         37 |          8        0.08       99.75
         38 |          7        0.07       99.82
         39 |          3        0.03       99.85
         40 |          5        0.05       99.90
         41 |          3        0.03       99.93
         42 |          2        0.02       99.95
         43 |          1        0.01       99.96
         44 |          1        0.01       99.97
         48 |          1        0.01       99.98
         52 |          1        0.01       99.99
         62 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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