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

                        Foundation Code |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
     All organizations except 501(c)(3) |      2,705       27.05       27.05
   Private operating foundation (other) |         26        0.26       27.31
       Private non-operating foundation |        438        4.38       31.69
                              Suspense  |          5        0.05       31.74
                 Church 170(b)(1)(A)(i) |      1,985       19.85       51.59
                School 170(b)(1)(A)(ii) |        124        1.24       52.83
Hospital or medical research organizati |         57        0.57       53.40
Organization which operates for benefit |         11        0.11       53.51
      Governmental unit 170(b)(1)(A)(v) |          6        0.06       53.57
Organization which receives a substanti |      2,858       28.58       82.15
Organization that normally receives no  |      1,596       15.96       98.11
Organizations operated solely for the b |        142        1.42       99.53
                       509(a)(3) Type I |         33        0.33       99.86
                      509(a)(3) Type II |          6        0.06       99.92
509(a)(3) Type III functionally integra |          7        0.07       99.99
509(a)(3) Type III not functionally int |          1        0.01      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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