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

         p6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,445       74.45       74.45
          1 |         45        0.45       74.90
          2 |         60        0.60       75.50
          3 |         34        0.34       75.84
          4 |         48        0.48       76.32
          5 |         56        0.56       76.88
          6 |         54        0.54       77.42
          7 |         52        0.52       77.94
          8 |         70        0.70       78.64
          9 |         83        0.83       79.47
         10 |         95        0.95       80.42
         11 |        100        1.00       81.42
         12 |         99        0.99       82.41
         13 |        109        1.09       83.50
         14 |        103        1.03       84.53
         15 |        121        1.21       85.74
         16 |        120        1.20       86.94
         17 |        110        1.10       88.04
         18 |         95        0.95       88.99
         19 |        130        1.30       90.29
         20 |        103        1.03       91.32
         21 |        107        1.07       92.39
         22 |        106        1.06       93.45
         23 |         96        0.96       94.41
         24 |         78        0.78       95.19
         25 |         68        0.68       95.87
         26 |         60        0.60       96.47
         27 |         52        0.52       96.99
         28 |         48        0.48       97.47
         29 |         35        0.35       97.82
         30 |         41        0.41       98.23
         31 |         21        0.21       98.44
         32 |         19        0.19       98.63
         33 |         23        0.23       98.86
         34 |         19        0.19       99.05
         35 |         14        0.14       99.19
         36 |         17        0.17       99.36
         37 |         11        0.11       99.47
         38 |          9        0.09       99.56
         39 |          6        0.06       99.62
         40 |          9        0.09       99.71
         41 |          7        0.07       99.78
         42 |          6        0.06       99.84
         43 |          4        0.04       99.88
         44 |          2        0.02       99.90
         45 |          1        0.01       99.91
         46 |          1        0.01       99.92
         47 |          1        0.01       99.93
         48 |          1        0.01       99.94
         50 |          1        0.01       99.95
         51 |          1        0.01       99.96
         54 |          1        0.01       99.97
         60 |          1        0.01       99.98
         63 |          1        0.01       99.99
         65 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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