Frequencies for first 10,000 rows of p8 variable in miper dataset :

         p8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,494       64.94       64.94
          1 |         30        0.30       65.24
          2 |         75        0.75       65.99
          3 |         78        0.78       66.77
          4 |         74        0.74       67.51
          5 |         79        0.79       68.30
          6 |         92        0.92       69.22
          7 |         99        0.99       70.21
          8 |        113        1.13       71.34
          9 |        131        1.31       72.65
         10 |        116        1.16       73.81
         11 |        139        1.39       75.20
         12 |        175        1.75       76.95
         13 |        156        1.56       78.51
         14 |        166        1.66       80.17
         15 |        171        1.71       81.88
         16 |        191        1.91       83.79
         17 |        161        1.61       85.40
         18 |        173        1.73       87.13
         19 |        150        1.50       88.63
         20 |        126        1.26       89.89
         21 |        150        1.50       91.39
         22 |        117        1.17       92.56
         23 |        108        1.08       93.64
         24 |         87        0.87       94.51
         25 |         79        0.79       95.30
         26 |         72        0.72       96.02
         27 |         66        0.66       96.68
         28 |         54        0.54       97.22
         29 |         41        0.41       97.63
         30 |         44        0.44       98.07
         31 |         40        0.40       98.47
         32 |         25        0.25       98.72
         33 |         26        0.26       98.98
         34 |         27        0.27       99.25
         35 |         17        0.17       99.42
         36 |          6        0.06       99.48
         37 |         15        0.15       99.63
         38 |         11        0.11       99.74
         39 |          5        0.05       99.79
         40 |          5        0.05       99.84
         41 |          6        0.06       99.90
         42 |          4        0.04       99.94
         43 |          2        0.02       99.96
         45 |          1        0.01       99.97
         47 |          1        0.01       99.98
         59 |          1        0.01       99.99
         62 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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