Frequencies for first 10,000 rows of foundation variable in eobmfmi dataset :

                        Foundation Code |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
     All organizations except 501(c)(3) |      2,382       23.82       23.82
   Private operating foundation (other) |         27        0.27       24.09
       Private non-operating foundation |        615        6.15       30.24
                 Church 170(b)(1)(A)(i) |      1,097       10.97       41.21
                School 170(b)(1)(A)(ii) |         46        0.46       41.67
Hospital or medical research organizati |         19        0.19       41.86
Organization which operates for benefit |         14        0.14       42.00
Organization which receives a substanti |      3,945       39.45       81.45
Organization that normally receives no  |      1,725       17.25       98.70
Organizations operated solely for the b |        117        1.17       99.87
                       509(a)(3) Type I |          9        0.09       99.96
                      509(a)(3) Type II |          2        0.02       99.98
509(a)(3) Type III not functionally int |          2        0.02      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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