Frequencies for trnsmtl_num variable in hospc_rpt1984_99_2011 dataset :

transmittal |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        392       16.10       16.10
          7 |         21        0.86       16.96
          9 |      2,022       83.04      100.00
------------+-----------------------------------
      Total |      2,435      100.00

by Jean Roth , jroth@nber.org , 17 Feb 2018