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

         p6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,333       73.33       73.33
          1 |         42        0.42       73.75
          2 |         65        0.65       74.40
          3 |         61        0.61       75.01
          4 |         56        0.56       75.57
          5 |         57        0.57       76.14
          6 |         65        0.65       76.79
          7 |         88        0.88       77.67
          8 |         91        0.91       78.58
          9 |         81        0.81       79.39
         10 |        100        1.00       80.39
         11 |         89        0.89       81.28
         12 |        123        1.23       82.51
         13 |        143        1.43       83.94
         14 |        109        1.09       85.03
         15 |        113        1.13       86.16
         16 |        112        1.12       87.28
         17 |        120        1.20       88.48
         18 |        114        1.14       89.62
         19 |        124        1.24       90.86
         20 |        108        1.08       91.94
         21 |        113        1.13       93.07
         22 |         92        0.92       93.99
         23 |         80        0.80       94.79
         24 |         76        0.76       95.55
         25 |         60        0.60       96.15
         26 |         55        0.55       96.70
         27 |         54        0.54       97.24
         28 |         42        0.42       97.66
         29 |         26        0.26       97.92
         30 |         32        0.32       98.24
         31 |         30        0.30       98.54
         32 |         24        0.24       98.78
         33 |         24        0.24       99.02
         34 |         15        0.15       99.17
         35 |         17        0.17       99.34
         36 |         15        0.15       99.49
         37 |          7        0.07       99.56
         38 |          6        0.06       99.62
         39 |          7        0.07       99.69
         40 |          7        0.07       99.76
         41 |          3        0.03       99.79
         42 |          4        0.04       99.83
         43 |          5        0.05       99.88
         44 |          1        0.01       99.89
         45 |          5        0.05       99.94
         47 |          1        0.01       99.95
         48 |          1        0.01       99.96
         49 |          1        0.01       99.97
         51 |          1        0.01       99.98
         52 |          1        0.01       99.99
         63 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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