Frequencies for trnsmtl_num variable in hcris2552_96_2004 dataset :

transmittal |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         37        0.59        0.59
          9 |         50        0.80        1.39
          B |          2        0.03        1.42
          D |        182        2.91        4.33
          E |        346        5.52        9.85
          F |      1,231       19.65       29.50
          G |      2,074       33.10       62.60
          H |      1,282       20.46       83.06
          I |          8        0.13       83.19
          J |        174        2.78       85.97
          K |        153        2.44       88.41
          L |         80        1.28       89.69
          M |         10        0.16       89.85
          N |        636       10.15      100.00
------------+-----------------------------------
      Total |      6,265      100.00

by Jean Roth , jroth@nber.org , 9 Sep 2018