Frequencies for d_4_ipf_c11_53 variable in prds_hosp10_yr2017 dataset :

Anesthesiol |
        ogy |
    D00B184 |
      05300 |
      01100 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          2        0.05        0.05
          3 |          1        0.03        0.08
          7 |          1        0.03        0.11
         14 |          1        0.03        0.13
         19 |          1        0.03        0.16
         21 |          1        0.03        0.19
         22 |          1        0.03        0.21
         34 |          1        0.03        0.24
         45 |          1        0.03        0.27
         58 |          1        0.03        0.29
        108 |          1        0.03        0.32
        117 |          1        0.03        0.35
        570 |          1        0.03        0.37
          . |      3,735       99.63      100.00
------------+-----------------------------------
      Total |      3,749      100.00

by Jean Roth , jroth@nber.org , 26 Oct 2018