Frequencies for pf_filing_req_cd variable in eobmfri dataset :

      PF Filiing |
Requirement Code |
           (New) |      Freq.     Percent        Cum.
-----------------+-----------------------------------
No 990-PF return |      5,568       66.75       66.75
   990-PF return |      2,771       33.22       99.98
               2 |          1        0.01       99.99
               3 |          1        0.01      100.00
-----------------+-----------------------------------
           Total |      8,341      100.00

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