Frequencies for first 10,000 rows of acct_pd variable in eobmfin dataset :

 Accounting |
     Period |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         40        0.40        0.40
          2 |         77        0.77        1.17
          3 |        169        1.69        2.86
          4 |        157        1.57        4.43
          5 |        442        4.42        8.85
          6 |      1,669       16.69       25.54
          7 |        484        4.84       30.38
          8 |        159        1.59       31.97
          9 |        234        2.34       34.31
         10 |         51        0.51       34.82
         11 |        127        1.27       36.09
         12 |      6,391       63.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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