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

         p7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,353       73.53       73.53
          1 |         44        0.44       73.97
          2 |         69        0.69       74.66
          3 |         72        0.72       75.38
          4 |         63        0.63       76.01
          5 |         75        0.75       76.76
          6 |         61        0.61       77.37
          7 |         75        0.75       78.12
          8 |         90        0.90       79.02
          9 |        102        1.02       80.04
         10 |         93        0.93       80.97
         11 |        114        1.14       82.11
         12 |        123        1.23       83.34
         13 |        103        1.03       84.37
         14 |        111        1.11       85.48
         15 |        104        1.04       86.52
         16 |        124        1.24       87.76
         17 |        139        1.39       89.15
         18 |        105        1.05       90.20
         19 |        113        1.13       91.33
         20 |        104        1.04       92.37
         21 |         84        0.84       93.21
         22 |         96        0.96       94.17
         23 |         76        0.76       94.93
         24 |         62        0.62       95.55
         25 |         85        0.85       96.40
         26 |         61        0.61       97.01
         27 |         52        0.52       97.53
         28 |         40        0.40       97.93
         29 |         36        0.36       98.29
         30 |         31        0.31       98.60
         31 |         23        0.23       98.83
         32 |         20        0.20       99.03
         33 |         12        0.12       99.15
         34 |         11        0.11       99.26
         35 |         12        0.12       99.38
         36 |         12        0.12       99.50
         37 |         10        0.10       99.60
         38 |          4        0.04       99.64
         39 |          7        0.07       99.71
         40 |          2        0.02       99.73
         41 |          5        0.05       99.78
         42 |          4        0.04       99.82
         43 |          2        0.02       99.84
         44 |          2        0.02       99.86
         45 |          2        0.02       99.88
         46 |          2        0.02       99.90
         47 |          3        0.03       99.93
         49 |          1        0.01       99.94
         52 |          1        0.01       99.95
         53 |          1        0.01       99.96
         55 |          2        0.02       99.98
         61 |          1        0.01       99.99
         69 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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