Frequencies for d_4_irf_c11_90 variable in prds_hosp10_yr2017 dataset :

     Clinic |
    D00C184 |
      09000 |
      01100 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.03        0.03
          2 |          1        0.03        0.05
          3 |          1        0.03        0.08
          5 |          3        0.08        0.16
          6 |          1        0.03        0.19
          9 |          1        0.03        0.21
         11 |          1        0.03        0.24
         19 |          1        0.03        0.27
         35 |          1        0.03        0.29
         44 |          1        0.03        0.32
         55 |          1        0.03        0.35
          . |      3,736       99.65      100.00
------------+-----------------------------------
      Total |      3,749      100.00

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