Frequencies for trnsmtl_num variable in rnl_rpt265_94_2005 dataset :

transmittal |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,219       29.36       29.36
          2 |         24        0.58       29.94
          7 |         11        0.26       30.20
          9 |      2,898       69.80      100.00
------------+-----------------------------------
      Total |      4,152      100.00

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