Frequencies for d_2_irf_c5_52 variable in prds_hosp10_yr2010 dataset :

d_2_irf_c5_ |
         52 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          4        0.17        0.17
          2 |          4        0.17        0.34
          3 |          1        0.04        0.39
          6 |          1        0.04        0.43
          7 |          1        0.04        0.47
          8 |          1        0.04        0.52
          9 |          1        0.04        0.56
         15 |          1        0.04        0.60
         24 |          1        0.04        0.65
         29 |          1        0.04        0.69
         57 |          1        0.04        0.73
        266 |          1        0.04        0.77
        373 |          1        0.04        0.82
       1257 |          1        0.04        0.86
       1334 |          1        0.04        0.90
       1753 |          1        0.04        0.95
       2728 |          1        0.04        0.99
       2986 |          1        0.04        1.03
       3481 |          1        0.04        1.08
       8091 |          1        0.04        1.12
       8919 |          1        0.04        1.16
          . |      2,296       98.84      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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