Frequencies for fmtname variable in fhouse2000 dataset :

format name |      Freq.     Percent        Cum.
------------+-----------------------------------
    HHP001X |          1        1.05        1.05
    HHP002X |          1        1.05        2.11
    HHP004X |          4        4.21        6.32
    HHP005X |         13       13.68       20.00
    HHP006X |         13       13.68       33.68
    HHP008X |         13       13.68       47.37
    HHP009X |          6        6.32       53.68
    HHP010X |          6        6.32       60.00
    HHP011X |          6        6.32       66.32
    HHP013X |          8        8.42       74.74
    HHP014X |          3        3.16       77.89
    HHP015X |          2        2.11       80.00
    HHP016X |          2        2.11       82.11
    HHP020X |          6        6.32       88.42
    HHP021X |          4        4.21       92.63
    HHP022X |          7        7.37      100.00
------------+-----------------------------------
      Total |         95      100.00

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