Frequencies for first 10,000 rows of affiliation variable in eobmfoh dataset :

                       Affiliation Code |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                      0 |         39        0.39        0.39
Central  This code is used if the organ |         30        0.30        0.69
Intermediate  This code is used if the  |          5        0.05        0.74
Independent  This code is used if the o |      5,365       53.65       54.39
Central  This code is used if the organ |         14        0.14       54.53
Central  This code is used if the organ |          6        0.06       54.59
Subordinate  This code is used if the o |      4,541       45.41      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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