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

     Person |
    Related |
   Factor 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,934       99.34       99.34
          1 |          7        0.07       99.41
          2 |          2        0.02       99.43
          3 |          2        0.02       99.45
          7 |          1        0.01       99.46
          9 |          6        0.06       99.52
         10 |         20        0.20       99.72
         11 |          1        0.01       99.73
         21 |          1        0.01       99.74
         24 |          1        0.01       99.75
         28 |          1        0.01       99.76
         38 |          1        0.01       99.77
         39 |          3        0.03       99.80
         48 |          2        0.02       99.82
         99 |         18        0.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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