Frequencies for trnsmtl_num variable in rnl_rpt265_94_2004 dataset :

transmittal |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        178        4.58        4.58
          0 |      1,089       27.99       32.57
          2 |        876       22.52       55.09
          7 |      1,184       30.44       85.53
          9 |        563       14.47      100.00
------------+-----------------------------------
      Total |      3,890      100.00

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