Frequencies for first 10,000 rows of p3 variable in miper dataset :

         p3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,436       74.36       74.36
          1 |         31        0.31       74.67
          2 |         65        0.65       75.32
          3 |         49        0.49       75.81
          4 |         64        0.64       76.45
          5 |         56        0.56       77.01
          6 |         69        0.69       77.70
          7 |         74        0.74       78.44
          8 |         85        0.85       79.29
          9 |         87        0.87       80.16
         10 |         81        0.81       80.97
         11 |         95        0.95       81.92
         12 |        110        1.10       83.02
         13 |         85        0.85       83.87
         14 |        121        1.21       85.08
         15 |        121        1.21       86.29
         16 |        116        1.16       87.45
         17 |        116        1.16       88.61
         18 |        104        1.04       89.65
         19 |        102        1.02       90.67
         20 |        131        1.31       91.98
         21 |         92        0.92       92.90
         22 |        102        1.02       93.92
         23 |         83        0.83       94.75
         24 |         80        0.80       95.55
         25 |         69        0.69       96.24
         26 |         59        0.59       96.83
         27 |         51        0.51       97.34
         28 |         39        0.39       97.73
         29 |         43        0.43       98.16
         30 |         21        0.21       98.37
         31 |         18        0.18       98.55
         32 |         19        0.19       98.74
         33 |         31        0.31       99.05
         34 |         23        0.23       99.28
         35 |         22        0.22       99.50
         36 |          5        0.05       99.55
         37 |         12        0.12       99.67
         38 |          4        0.04       99.71
         39 |          5        0.05       99.76
         40 |          3        0.03       99.79
         41 |          7        0.07       99.86
         42 |          1        0.01       99.87
         43 |          5        0.05       99.92
         45 |          4        0.04       99.96
         49 |          1        0.01       99.97
         51 |          1        0.01       99.98
         52 |          1        0.01       99.99
         55 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016