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

         p6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,068       60.68       60.68
          1 |         32        0.32       61.00
          2 |         70        0.70       61.70
          3 |         70        0.70       62.40
          4 |         71        0.71       63.11
          5 |         84        0.84       63.95
          6 |         92        0.92       64.87
          7 |        111        1.11       65.98
          8 |        124        1.24       67.22
          9 |        135        1.35       68.57
         10 |        158        1.58       70.15
         11 |        159        1.59       71.74
         12 |        153        1.53       73.27
         13 |        168        1.68       74.95
         14 |        190        1.90       76.85
         15 |        169        1.69       78.54
         16 |        231        2.31       80.85
         17 |        190        1.90       82.75
         18 |        196        1.96       84.71
         19 |        196        1.96       86.67
         20 |        168        1.68       88.35
         21 |        153        1.53       89.88
         22 |        144        1.44       91.32
         23 |        145        1.45       92.77
         24 |        115        1.15       93.92
         25 |        103        1.03       94.95
         26 |         89        0.89       95.84
         27 |         70        0.70       96.54
         28 |         68        0.68       97.22
         29 |         47        0.47       97.69
         30 |         36        0.36       98.05
         31 |         33        0.33       98.38
         32 |         30        0.30       98.68
         33 |         29        0.29       98.97
         34 |         21        0.21       99.18
         35 |         13        0.13       99.31
         36 |         10        0.10       99.41
         37 |         14        0.14       99.55
         38 |          9        0.09       99.64
         39 |         11        0.11       99.75
         40 |          4        0.04       99.79
         41 |          5        0.05       99.84
         42 |          2        0.02       99.86
         43 |          2        0.02       99.88
         44 |          1        0.01       99.89
         45 |          4        0.04       99.93
         46 |          3        0.03       99.96
         48 |          1        0.01       99.97
         49 |          1        0.01       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