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

         p6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,518       75.18       75.18
          1 |         36        0.36       75.54
          2 |         72        0.72       76.26
          3 |         64        0.64       76.90
          4 |         54        0.54       77.44
          5 |         46        0.46       77.90
          6 |         55        0.55       78.45
          7 |         80        0.80       79.25
          8 |         85        0.85       80.10
          9 |         86        0.86       80.96
         10 |         87        0.87       81.83
         11 |         99        0.99       82.82
         12 |        121        1.21       84.03
         13 |         95        0.95       84.98
         14 |        120        1.20       86.18
         15 |        100        1.00       87.18
         16 |        112        1.12       88.30
         17 |        113        1.13       89.43
         18 |        114        1.14       90.57
         19 |         88        0.88       91.45
         20 |        100        1.00       92.45
         21 |         91        0.91       93.36
         22 |         81        0.81       94.17
         23 |         84        0.84       95.01
         24 |         71        0.71       95.72
         25 |         70        0.70       96.42
         26 |         71        0.71       97.13
         27 |         51        0.51       97.64
         28 |         35        0.35       97.99
         29 |         27        0.27       98.26
         30 |         35        0.35       98.61
         31 |         19        0.19       98.80
         32 |         27        0.27       99.07
         33 |         17        0.17       99.24
         34 |          9        0.09       99.33
         35 |         12        0.12       99.45
         36 |         10        0.10       99.55
         37 |          8        0.08       99.63
         38 |          7        0.07       99.70
         39 |          4        0.04       99.74
         40 |          4        0.04       99.78
         41 |          2        0.02       99.80
         42 |          4        0.04       99.84
         43 |          4        0.04       99.88
         44 |          4        0.04       99.92
         45 |          4        0.04       99.96
         48 |          2        0.02       99.98
         50 |          1        0.01       99.99
         53 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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