Frequencies for first 10,000 rows of p_cf3 variable in person dataset :

    RELATED |
   FACTOR 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,907       99.07       99.07
          1 |          8        0.08       99.15
          2 |          2        0.02       99.17
          3 |          2        0.02       99.19
          7 |          1        0.01       99.20
          8 |          1        0.01       99.21
         10 |          1        0.01       99.22
         19 |          1        0.01       99.23
         28 |          3        0.03       99.26
         37 |          1        0.01       99.27
         38 |         29        0.29       99.56
         39 |          4        0.04       99.60
         64 |          1        0.01       99.61
         65 |          3        0.03       99.64
         99 |         36        0.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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