Frequencies for d_4_irf_c13_73 variable in prds_hosp10_yr2013 dataset :

d_4_irf_c13 |
        _73 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          8        0.13        0.13
          2 |          3        0.05        0.18
          3 |          6        0.10        0.27
          4 |          2        0.03        0.30
          5 |          3        0.05        0.35
          7 |          2        0.03        0.38
          8 |          1        0.02        0.40
          9 |          2        0.03        0.43
         10 |          3        0.05        0.48
         12 |          1        0.02        0.50
         13 |          1        0.02        0.51
         17 |          1        0.02        0.53
         22 |          1        0.02        0.54
         31 |          1        0.02        0.56
         32 |          1        0.02        0.58
         65 |          1        0.02        0.59
         72 |          1        0.02        0.61
       1070 |          1        0.02        0.62
          . |      6,209       99.38      100.00
------------+-----------------------------------
      Total |      6,248      100.00

by Jean Roth , jroth@nber.org , 24 Aug 2018