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

     Person |
    Related |
   Factor 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,949       99.49       99.49
          2 |          2        0.02       99.51
          4 |         10        0.10       99.61
          5 |          2        0.02       99.63
         39 |          1        0.01       99.64
         99 |         36        0.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016