Frequencies for first 10,000 rows of p_cf1 variable in person dataset :

     Person |
    Related |
   Factor 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,545       95.45       95.45
          1 |          5        0.05       95.50
          2 |         22        0.22       95.72
          3 |         81        0.81       96.53
          4 |        200        2.00       98.53
          5 |         68        0.68       99.21
         21 |          1        0.01       99.22
         27 |          5        0.05       99.27
         28 |          1        0.01       99.28
         38 |         12        0.12       99.40
         39 |          2        0.02       99.42
         50 |          1        0.01       99.43
         99 |         57        0.57      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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