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

         p8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,516       75.16       75.16
          1 |         38        0.38       75.54
          2 |         74        0.74       76.28
          3 |         64        0.64       76.92
          4 |         56        0.56       77.48
          5 |         49        0.49       77.97
          6 |         53        0.53       78.50
          7 |         71        0.71       79.21
          8 |         81        0.81       80.02
          9 |         93        0.93       80.95
         10 |         91        0.91       81.86
         11 |        104        1.04       82.90
         12 |        103        1.03       83.93
         13 |        106        1.06       84.99
         14 |        125        1.25       86.24
         15 |         99        0.99       87.23
         16 |        127        1.27       88.50
         17 |        103        1.03       89.53
         18 |        120        1.20       90.73
         19 |         93        0.93       91.66
         20 |         89        0.89       92.55
         21 |         95        0.95       93.50
         22 |         78        0.78       94.28
         23 |         73        0.73       95.01
         24 |         73        0.73       95.74
         25 |         71        0.71       96.45
         26 |         64        0.64       97.09
         27 |         55        0.55       97.64
         28 |         37        0.37       98.01
         29 |         36        0.36       98.37
         30 |         37        0.37       98.74
         31 |         19        0.19       98.93
         32 |         22        0.22       99.15
         33 |         19        0.19       99.34
         34 |          7        0.07       99.41
         35 |         10        0.10       99.51
         36 |          7        0.07       99.58
         37 |          5        0.05       99.63
         38 |          7        0.07       99.70
         39 |          5        0.05       99.75
         40 |          6        0.06       99.81
         41 |          3        0.03       99.84
         42 |          3        0.03       99.87
         43 |          1        0.01       99.88
         44 |          3        0.03       99.91
         45 |          5        0.05       99.96
         48 |          1        0.01       99.97
         51 |          1        0.01       99.98
         52 |          1        0.01       99.99
         53 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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