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

         p8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,357       73.57       73.57
          1 |         35        0.35       73.92
          2 |         55        0.55       74.47
          3 |         43        0.43       74.90
          4 |         51        0.51       75.41
          5 |         55        0.55       75.96
          6 |         61        0.61       76.57
          7 |         69        0.69       77.26
          8 |         66        0.66       77.92
          9 |         76        0.76       78.68
         10 |         88        0.88       79.56
         11 |         93        0.93       80.49
         12 |        107        1.07       81.56
         13 |        111        1.11       82.67
         14 |        118        1.18       83.85
         15 |        127        1.27       85.12
         16 |        114        1.14       86.26
         17 |        132        1.32       87.58
         18 |        126        1.26       88.84
         19 |        118        1.18       90.02
         20 |        106        1.06       91.08
         21 |        123        1.23       92.31
         22 |         99        0.99       93.30
         23 |         88        0.88       94.18
         24 |         85        0.85       95.03
         25 |         84        0.84       95.87
         26 |         73        0.73       96.60
         27 |         51        0.51       97.11
         28 |         57        0.57       97.68
         29 |         31        0.31       97.99
         30 |         41        0.41       98.40
         31 |         28        0.28       98.68
         32 |         25        0.25       98.93
         33 |         19        0.19       99.12
         34 |         12        0.12       99.24
         35 |          8        0.08       99.32
         36 |         16        0.16       99.48
         37 |         11        0.11       99.59
         38 |          4        0.04       99.63
         39 |          8        0.08       99.71
         40 |          7        0.07       99.78
         42 |          3        0.03       99.81
         43 |          4        0.04       99.85
         44 |          7        0.07       99.92
         48 |          2        0.02       99.94
         50 |          1        0.01       99.95
         67 |          1        0.01       99.96
         68 |          1        0.01       99.97
         79 |          1        0.01       99.98
         94 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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