Frequencies for d_4_irf_c11_58 variable in prds_hosp10_yr2017 dataset :

        MRI |
    D00C184 |
      05800 |
      01100 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.03        0.03
          2 |          2        0.05        0.08
          4 |          1        0.03        0.11
          6 |          1        0.03        0.13
         15 |          1        0.03        0.16
         41 |          1        0.03        0.19
         52 |          1        0.03        0.21
         99 |          1        0.03        0.24
        111 |          1        0.03        0.27
          . |      3,739       99.73      100.00
------------+-----------------------------------
      Total |      3,749      100.00

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