Frequencies for trnsmtl_num variable in prds_hosp10_yr2010 dataset :

trnsmtl_num |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          3        0.13        0.13
          A |      1,931       83.13       83.25
          B |        259       11.15       94.40
          C |         44        1.89       96.30
          D |         23        0.99       97.29
          E |         11        0.47       97.76
          F |          5        0.22       97.98
          G |          1        0.04       98.02
          I |          3        0.13       98.15
          R |          1        0.04       98.19
          S |          3        0.13       98.32
          Z |         39        1.68      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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