Frequencies for pf_filing_req_cd variable in eobmfwv dataset :

      PF Filiing |
Requirement Code |
           (New) |      Freq.     Percent        Cum.
-----------------+-----------------------------------
No 990-PF return |     10,289       95.77       95.77
   990-PF return |        451        4.20       99.97
               3 |          3        0.03      100.00
-----------------+-----------------------------------
           Total |     10,743      100.00

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