Frequencies for first 10,000 rows of p5 variable in miper dataset :

         p5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,102       71.02       71.02
          1 |         31        0.31       71.33
          2 |         76        0.76       72.09
          3 |         66        0.66       72.75
          4 |         67        0.67       73.42
          5 |         57        0.57       73.99
          6 |         65        0.65       74.64
          7 |         60        0.60       75.24
          8 |        106        1.06       76.30
          9 |         95        0.95       77.25
         10 |        115        1.15       78.40
         11 |        109        1.09       79.49
         12 |        124        1.24       80.73
         13 |        145        1.45       82.18
         14 |        123        1.23       83.41
         15 |        129        1.29       84.70
         16 |        144        1.44       86.14
         17 |        130        1.30       87.44
         18 |        113        1.13       88.57
         19 |        118        1.18       89.75
         20 |        111        1.11       90.86
         21 |         95        0.95       91.81
         22 |        116        1.16       92.97
         23 |         91        0.91       93.88
         24 |         98        0.98       94.86
         25 |         66        0.66       95.52
         26 |         63        0.63       96.15
         27 |         51        0.51       96.66
         28 |         53        0.53       97.19
         29 |         53        0.53       97.72
         30 |         41        0.41       98.13
         31 |         24        0.24       98.37
         32 |         32        0.32       98.69
         33 |         30        0.30       98.99
         34 |         16        0.16       99.15
         35 |         19        0.19       99.34
         36 |         11        0.11       99.45
         37 |          7        0.07       99.52
         38 |         11        0.11       99.63
         39 |          6        0.06       99.69
         40 |          8        0.08       99.77
         41 |          6        0.06       99.83
         42 |          2        0.02       99.85
         43 |          2        0.02       99.87
         44 |          2        0.02       99.89
         45 |          5        0.05       99.94
         46 |          2        0.02       99.96
         47 |          1        0.01       99.97
         50 |          1        0.01       99.98
         52 |          1        0.01       99.99
         56 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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