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

                       Affiliation Code |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                      0 |         74        0.74        0.74
Central  This code is used if the organ |         20        0.20        0.94
Intermediate  This code is used if the  |          7        0.07        1.01
Independent  This code is used if the o |      6,576       65.76       66.77
Central  This code is used if the organ |         32        0.32       67.09
Central  This code is used if the organ |          9        0.09       67.18
Subordinate  This code is used if the o |      3,282       32.82      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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