Frequencies for d3_irf_c2_32 variable in prds_hosp10_yr2017 dataset :

   Coronary |
  Care Unit |
    D30C180 |
      03200 |
      00200 |      Freq.     Percent        Cum.
------------+-----------------------------------
        307 |          1        0.03        0.03
       3158 |          1        0.03        0.05
          . |      3,747       99.95      100.00
------------+-----------------------------------
      Total |      3,749      100.00

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