Frequencies for trnsmtl_num variable in hcris2552_96_1999 dataset :

transmittal |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        104        1.67        1.67
          0 |          4        0.06        1.74
          5 |      1,088       17.52       19.26
          6 |         34        0.55       19.81
          7 |        825       13.29       33.09
          8 |      1,298       20.90       53.99
          9 |        727       11.71       65.70
          A |        110        1.77       67.47
          B |        465        7.49       74.96
          D |        557        8.97       83.93
          E |        177        2.85       86.78
          F |        188        3.03       89.81
          G |        143        2.30       92.11
          H |        251        4.04       96.15
          J |         21        0.34       96.49
          K |         34        0.55       97.04
          L |         13        0.21       97.25
          M |          2        0.03       97.28
          N |        169        2.72      100.00
------------+-----------------------------------
      Total |      6,210      100.00

by Jean Roth , jroth@nber.org , 7 Sep 2018