Frequencies for p_cf1 variable in person dataset :

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,054       97.86       97.86
          1 |          6        0.56       98.42
          3 |          9        0.84       99.26
          4 |          5        0.46       99.72
          5 |          2        0.19       99.91
         28 |          1        0.09      100.00
------------+-----------------------------------
      Total |      1,077      100.00

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