Frequencies for trnsmtl_num variable in hosp_rpt2552_96_2010 dataset :

transmittal |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          4        0.10        0.10
          9 |          1        0.03        0.13
          H |         37        0.96        1.09
          L |         54        1.40        2.49
          M |         51        1.32        3.82
          N |      3,704       96.18      100.00
------------+-----------------------------------
      Total |      3,851      100.00

by Jean Roth , jroth@nber.org , 21 Apr 2018