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

         p6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,304       73.04       73.04
          1 |         44        0.44       73.48
          2 |         66        0.66       74.14
          3 |         65        0.65       74.79
          4 |         64        0.64       75.43
          5 |         60        0.60       76.03
          6 |         64        0.64       76.67
          7 |         78        0.78       77.45
          8 |         77        0.77       78.22
          9 |         85        0.85       79.07
         10 |         83        0.83       79.90
         11 |        124        1.24       81.14
         12 |         99        0.99       82.13
         13 |        110        1.10       83.23
         14 |        105        1.05       84.28
         15 |        127        1.27       85.55
         16 |        120        1.20       86.75
         17 |        109        1.09       87.84
         18 |        105        1.05       88.89
         19 |        137        1.37       90.26
         20 |        102        1.02       91.28
         21 |        104        1.04       92.32
         22 |        127        1.27       93.59
         23 |        102        1.02       94.61
         24 |         85        0.85       95.46
         25 |         68        0.68       96.14
         26 |         62        0.62       96.76
         27 |         55        0.55       97.31
         28 |         64        0.64       97.95
         29 |         27        0.27       98.22
         30 |         29        0.29       98.51
         31 |         34        0.34       98.85
         32 |         15        0.15       99.00
         33 |         13        0.13       99.13
         34 |         13        0.13       99.26
         35 |         11        0.11       99.37
         36 |         11        0.11       99.48
         37 |          9        0.09       99.57
         38 |         11        0.11       99.68
         39 |          4        0.04       99.72
         40 |          3        0.03       99.75
         41 |          3        0.03       99.78
         42 |          3        0.03       99.81
         43 |          2        0.02       99.83
         44 |          3        0.03       99.86
         45 |          3        0.03       99.89
         46 |          1        0.01       99.90
         47 |          1        0.01       99.91
         48 |          1        0.01       99.92
         49 |          1        0.01       99.93
         50 |          1        0.01       99.94
         51 |          1        0.01       99.95
         52 |          1        0.01       99.96
         55 |          1        0.01       99.97
         63 |          1        0.01       99.98
         70 |          1        0.01       99.99
         78 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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