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

         p7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,521       75.21       75.21
          1 |         37        0.37       75.58
          2 |         70        0.70       76.28
          3 |         66        0.66       76.94
          4 |         57        0.57       77.51
          5 |         54        0.54       78.05
          6 |         68        0.68       78.73
          7 |         80        0.80       79.53
          8 |         85        0.85       80.38
          9 |         95        0.95       81.33
         10 |         96        0.96       82.29
         11 |        100        1.00       83.29
         12 |        109        1.09       84.38
         13 |        112        1.12       85.50
         14 |        111        1.11       86.61
         15 |         93        0.93       87.54
         16 |        106        1.06       88.60
         17 |        109        1.09       89.69
         18 |        112        1.12       90.81
         19 |         92        0.92       91.73
         20 |         87        0.87       92.60
         21 |         84        0.84       93.44
         22 |         78        0.78       94.22
         23 |         79        0.79       95.01
         24 |         67        0.67       95.68
         25 |         71        0.71       96.39
         26 |         66        0.66       97.05
         27 |         51        0.51       97.56
         28 |         46        0.46       98.02
         29 |         33        0.33       98.35
         30 |         34        0.34       98.69
         31 |         14        0.14       98.83
         32 |         24        0.24       99.07
         33 |         21        0.21       99.28
         34 |         13        0.13       99.41
         35 |         12        0.12       99.53
         36 |          8        0.08       99.61
         37 |          6        0.06       99.67
         38 |          5        0.05       99.72
         39 |          5        0.05       99.77
         40 |          5        0.05       99.82
         41 |          1        0.01       99.83
         42 |          3        0.03       99.86
         43 |          1        0.01       99.87
         44 |          3        0.03       99.90
         45 |          5        0.05       99.95
         47 |          1        0.01       99.96
         52 |          2        0.02       99.98
         53 |          1        0.01       99.99
         59 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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