Frequencies for first 10,000 rows of fm_type variable in familyxx2008 dataset :

family type |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,970       29.70       29.70
          2 |      3,523       35.23       64.93
          3 |        631        6.31       71.24
          4 |      2,876       28.76      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 May 2016