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

         p5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,507       75.07       75.07
          1 |         36        0.36       75.43
          2 |         72        0.72       76.15
          3 |         52        0.52       76.67
          4 |         65        0.65       77.32
          5 |         49        0.49       77.81
          6 |         67        0.67       78.48
          7 |         74        0.74       79.22
          8 |         84        0.84       80.06
          9 |         84        0.84       80.90
         10 |         99        0.99       81.89
         11 |         90        0.90       82.79
         12 |        119        1.19       83.98
         13 |         93        0.93       84.91
         14 |        103        1.03       85.94
         15 |        118        1.18       87.12
         16 |        136        1.36       88.48
         17 |        109        1.09       89.57
         18 |        132        1.32       90.89
         19 |         88        0.88       91.77
         20 |         96        0.96       92.73
         21 |         96        0.96       93.69
         22 |        102        1.02       94.71
         23 |         66        0.66       95.37
         24 |         61        0.61       95.98
         25 |         67        0.67       96.65
         26 |         41        0.41       97.06
         27 |         49        0.49       97.55
         28 |         38        0.38       97.93
         29 |         32        0.32       98.25
         30 |         25        0.25       98.50
         31 |         22        0.22       98.72
         32 |         23        0.23       98.95
         33 |         15        0.15       99.10
         34 |         12        0.12       99.22
         35 |         11        0.11       99.33
         36 |          5        0.05       99.38
         37 |          8        0.08       99.46
         38 |         10        0.10       99.56
         39 |          5        0.05       99.61
         40 |          7        0.07       99.68
         41 |          6        0.06       99.74
         42 |          4        0.04       99.78
         43 |          3        0.03       99.81
         45 |          3        0.03       99.84
         46 |          2        0.02       99.86
         47 |          3        0.03       99.89
         48 |          3        0.03       99.92
         49 |          1        0.01       99.93
         50 |          1        0.01       99.94
         53 |          2        0.02       99.96
         55 |          1        0.01       99.97
         56 |          1        0.01       99.98
         58 |          1        0.01       99.99
         70 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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