Frequencies for pf_filing_req_cd variable in eobmfmt dataset :

      PF Filiing |
Requirement Code |
           (New) |      Freq.     Percent        Cum.
-----------------+-----------------------------------
No 990-PF return |     10,347       96.18       96.18
   990-PF return |        411        3.82      100.00
-----------------+-----------------------------------
           Total |     10,758      100.00

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