Frequencies for first 10,000 rows of rfid2 variable in sippp08putm1 dataset :

  FA: Family ID |
      excluding |
        related |
      subfamily |      Freq.     Percent        Cum.
----------------+-----------------------------------
Not in Universe |        325        3.25        3.25
              4 |      8,405       84.05       87.30
              5 |          3        0.03       87.33
              7 |        740        7.40       94.73
              8 |        310        3.10       97.83
             10 |        105        1.05       98.88
             11 |         39        0.39       99.27
             12 |         45        0.45       99.72
             13 |          6        0.06       99.78
             14 |          5        0.05       99.83
             15 |          5        0.05       99.88
             16 |          8        0.08       99.96
             18 |          2        0.02       99.98
             19 |          1        0.01       99.99
             20 |          1        0.01      100.00
----------------+-----------------------------------
          Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016