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

         p6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,649       66.49       66.49
          1 |         32        0.32       66.81
          2 |         73        0.73       67.54
          3 |         69        0.69       68.23
          4 |         63        0.63       68.86
          5 |         78        0.78       69.64
          6 |         82        0.82       70.46
          7 |        107        1.07       71.53
          8 |         93        0.93       72.46
          9 |        128        1.28       73.74
         10 |        125        1.25       74.99
         11 |        123        1.23       76.22
         12 |        140        1.40       77.62
         13 |        168        1.68       79.30
         14 |        172        1.72       81.02
         15 |        156        1.56       82.58
         16 |        161        1.61       84.19
         17 |        152        1.52       85.71
         18 |        151        1.51       87.22
         19 |        132        1.32       88.54
         20 |        148        1.48       90.02
         21 |        138        1.38       91.40
         22 |        115        1.15       92.55
         23 |         99        0.99       93.54
         24 |         96        0.96       94.50
         25 |         90        0.90       95.40
         26 |         73        0.73       96.13
         27 |         71        0.71       96.84
         28 |         67        0.67       97.51
         29 |         43        0.43       97.94
         30 |         32        0.32       98.26
         31 |         25        0.25       98.51
         32 |         34        0.34       98.85
         33 |         18        0.18       99.03
         34 |         19        0.19       99.22
         35 |         11        0.11       99.33
         36 |         11        0.11       99.44
         37 |          7        0.07       99.51
         38 |         17        0.17       99.68
         39 |          8        0.08       99.76
         40 |          5        0.05       99.81
         41 |          3        0.03       99.84
         42 |          3        0.03       99.87
         43 |          2        0.02       99.89
         44 |          2        0.02       99.91
         45 |          3        0.03       99.94
         49 |          1        0.01       99.95
         53 |          1        0.01       99.96
         56 |          1        0.01       99.97
         59 |          1        0.01       99.98
         62 |          1        0.01       99.99
         80 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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