Frequencies for first 10,000 rows of pf_filing_req_cd variable in eobmfil dataset :

      PF Filiing |
Requirement Code |
           (New) |      Freq.     Percent        Cum.
-----------------+-----------------------------------
No 990-PF return |      8,826       88.26       88.26
   990-PF return |      1,172       11.72       99.98
               3 |          2        0.02      100.00
-----------------+-----------------------------------
           Total |     10,000      100.00

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