Frequencies for trnsmtl_num variable in hclinic_rpt222_92_2012 dataset :

transmittal |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         58        1.97        1.97
          0 |        226        7.69        9.67
          1 |          5        0.17        9.84
          3 |          1        0.03        9.87
          A |        243        8.27       18.15
          B |      2,336       79.54       97.68
          C |         50        1.70       99.39
          D |          1        0.03       99.42
          E |         13        0.44       99.86
          T |          4        0.14      100.00
------------+-----------------------------------
      Total |      2,937      100.00

by Jean Roth , jroth@nber.org , 24 Aug 2018