Frequencies for affiliation variable in eobmfhi dataset :

                       Affiliation Code |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                      0 |         30        0.37        0.37
Central  This code is used if the organ |         17        0.21        0.58
Intermediate  This code is used if the  |          7        0.09        0.67
Independent  This code is used if the o |      6,590       81.35       82.01
Central  This code is used if the organ |         13        0.16       82.18
Central  This code is used if the organ |          8        0.10       82.27
Subordinate  This code is used if the o |      1,436       17.73      100.00
----------------------------------------+-----------------------------------
                                  Total |      8,101      100.00

by Jean Roth , jroth@nber.org , 15 Apr 2019