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

      PF Filiing |
Requirement Code |
           (New) |      Freq.     Percent        Cum.
-----------------+-----------------------------------
No 990-PF return |      9,559       95.59       95.59
   990-PF return |        440        4.40       99.99
               3 |          1        0.01      100.00
-----------------+-----------------------------------
           Total |     10,000      100.00

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