Frequencies for first 10,000 rows of p_sf1 variable in person dataset :

    related |
factors (1) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,917       99.17       99.17
          5 |          8        0.08       99.25
          8 |          4        0.04       99.29
          9 |          2        0.02       99.31
         13 |          4        0.04       99.35
         18 |          2        0.02       99.37
         37 |         11        0.11       99.48
         56 |         21        0.21       99.69
         60 |          1        0.01       99.70
         61 |          1        0.01       99.71
         62 |          1        0.01       99.72
         65 |          7        0.07       99.79
         86 |          1        0.01       99.80
         87 |          1        0.01       99.81
         88 |          2        0.02       99.83
         89 |          1        0.01       99.84
         91 |          3        0.03       99.87
         99 |         13        0.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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