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

     Person |
    Related |
   Factor 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,910       99.10       99.10
          1 |         14        0.14       99.24
          2 |         10        0.10       99.34
          3 |         15        0.15       99.49
          4 |          2        0.02       99.51
         10 |         20        0.20       99.71
         17 |          2        0.02       99.73
         19 |          1        0.01       99.74
         28 |          1        0.01       99.75
         30 |          1        0.01       99.76
         38 |          2        0.02       99.78
         99 |         22        0.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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