Frequencies for d_4_irf_c11_66 variable in prds_hosp10_yr2017 dataset :

   Physical |
    Therapy |
    D00C184 |
      06600 |
      01100 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          2        0.05        0.05
          2 |          1        0.03        0.08
          4 |          2        0.05        0.13
        116 |          1        0.03        0.16
        238 |          1        0.03        0.19
        376 |          1        0.03        0.21
       1429 |          1        0.03        0.24
       2410 |          1        0.03        0.27
       3798 |          1        0.03        0.29
       6246 |          1        0.03        0.32
       8961 |          1        0.03        0.35
      11455 |          1        0.03        0.37
      41983 |          1        0.03        0.40
      62865 |          1        0.03        0.43
          . |      3,733       99.57      100.00
------------+-----------------------------------
      Total |      3,749      100.00

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