Frequencies for p_cf2 variable in person dataset :

    RELATED |
   FACTOR 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        786       96.32       96.32
          1 |          2        0.25       96.57
          3 |         10        1.23       97.79
          4 |          4        0.49       98.28
          5 |         13        1.59       99.88
         15 |          1        0.12      100.00
------------+-----------------------------------
      Total |        816      100.00

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