Frequencies for first 10,000 rows of p7 variable in miper dataset :

         p7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,066       60.66       60.66
          1 |         32        0.32       60.98
          2 |         71        0.71       61.69
          3 |         75        0.75       62.44
          4 |         81        0.81       63.25
          5 |         80        0.80       64.05
          6 |         90        0.90       64.95
          7 |        123        1.23       66.18
          8 |        132        1.32       67.50
          9 |        149        1.49       68.99
         10 |        162        1.62       70.61
         11 |        138        1.38       71.99
         12 |        170        1.70       73.69
         13 |        172        1.72       75.41
         14 |        178        1.78       77.19
         15 |        187        1.87       79.06
         16 |        202        2.02       81.08
         17 |        205        2.05       83.13
         18 |        183        1.83       84.96
         19 |        195        1.95       86.91
         20 |        169        1.69       88.60
         21 |        140        1.40       90.00
         22 |        154        1.54       91.54
         23 |        118        1.18       92.72
         24 |        109        1.09       93.81
         25 |        111        1.11       94.92
         26 |         91        0.91       95.83
         27 |         69        0.69       96.52
         28 |         71        0.71       97.23
         29 |         41        0.41       97.64
         30 |         36        0.36       98.00
         31 |         35        0.35       98.35
         32 |         30        0.30       98.65
         33 |         33        0.33       98.98
         34 |         17        0.17       99.15
         35 |         19        0.19       99.34
         36 |         14        0.14       99.48
         37 |         10        0.10       99.58
         38 |         15        0.15       99.73
         39 |          8        0.08       99.81
         40 |          2        0.02       99.83
         41 |          5        0.05       99.88
         42 |          2        0.02       99.90
         43 |          1        0.01       99.91
         44 |          1        0.01       99.92
         45 |          3        0.03       99.95
         46 |          1        0.01       99.96
         47 |          1        0.01       99.97
         48 |          2        0.02       99.99
         59 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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