Frequencies for d_4_ipf_c13_54 variable in prds_hosp10_yr2017 dataset :

Radiology-D |
  iagnostic |
    D00B184 |
      05400 |
      01300 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          3        0.08        0.08
          2 |          2        0.05        0.13
          4 |          1        0.03        0.16
          6 |          1        0.03        0.19
          8 |          2        0.05        0.24
          9 |          1        0.03        0.27
         10 |          1        0.03        0.29
         13 |          1        0.03        0.32
         14 |          1        0.03        0.35
         21 |          2        0.05        0.40
         26 |          1        0.03        0.43
         43 |          1        0.03        0.45
         54 |          1        0.03        0.48
          . |      3,731       99.52      100.00
------------+-----------------------------------
      Total |      3,749      100.00

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