Frequencies for p6 variable in miper dataset :

         p6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        490       70.20       70.20
          1 |          5        0.72       70.92
          2 |         10        1.43       72.35
          3 |          5        0.72       73.07
          4 |          8        1.15       74.21
          5 |          6        0.86       75.07
          6 |          7        1.00       76.07
          7 |          6        0.86       76.93
          8 |          4        0.57       77.51
          9 |          6        0.86       78.37
         10 |          7        1.00       79.37
         11 |          7        1.00       80.37
         12 |          8        1.15       81.52
         13 |         10        1.43       82.95
         14 |         11        1.58       84.53
         15 |          9        1.29       85.82
         16 |          8        1.15       86.96
         17 |          6        0.86       87.82
         18 |          8        1.15       88.97
         19 |          9        1.29       90.26
         20 |         14        2.01       92.26
         21 |          7        1.00       93.27
         22 |          7        1.00       94.27
         23 |          4        0.57       94.84
         24 |          6        0.86       95.70
         25 |          4        0.57       96.28
         26 |          6        0.86       97.13
         27 |          3        0.43       97.56
         28 |          2        0.29       97.85
         29 |          4        0.57       98.42
         30 |          2        0.29       98.71
         32 |          2        0.29       99.00
         34 |          1        0.14       99.14
         36 |          2        0.29       99.43
         37 |          1        0.14       99.57
         38 |          1        0.14       99.71
         40 |          1        0.14       99.86
         58 |          1        0.14      100.00
------------+-----------------------------------
      Total |        698      100.00

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