Frequencies for acct_pd variable in eobmfak dataset :

 Accounting |
     Period |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          1        0.02        0.02
          1 |         45        0.83        0.84
          2 |         14        0.26        1.10
          3 |         98        1.80        2.90
          4 |         85        1.56        4.46
          5 |         94        1.72        6.18
          6 |      1,087       19.94       26.12
          7 |         55        1.01       27.13
          8 |        113        2.07       29.21
          9 |        213        3.91       33.11
         10 |         30        0.55       33.66
         11 |          8        0.15       33.81
         12 |      3,608       66.19      100.00
------------+-----------------------------------
      Total |      5,451      100.00

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