Frequencies for first 10,000 rows of p_cf2 variable in person dataset :

    RELATED |
   FACTOR 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,729       97.29       97.29
          1 |         15        0.15       97.44
          2 |         16        0.16       97.60
          3 |         50        0.50       98.10
          4 |         17        0.17       98.27
          6 |          1        0.01       98.28
          7 |          2        0.02       98.30
         10 |         24        0.24       98.54
         11 |          2        0.02       98.56
         12 |          1        0.01       98.57
         14 |          2        0.02       98.59
         17 |          3        0.03       98.62
         24 |          2        0.02       98.64
         28 |          2        0.02       98.66
         30 |          1        0.01       98.67
         38 |         80        0.80       99.47
         39 |          7        0.07       99.54
         48 |          2        0.02       99.56
         55 |          1        0.01       99.57
         60 |          1        0.01       99.58
         62 |          1        0.01       99.59
         63 |          1        0.01       99.60
         64 |          2        0.02       99.62
         65 |          1        0.01       99.63
         66 |          1        0.01       99.64
         90 |          3        0.03       99.67
         99 |         33        0.33      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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