Frequencies for d3_irf_c2_31 variable in prds_hosp10_yr2015 dataset :

d3_irf_c2_3 |
          1 |      Freq.     Percent        Cum.
------------+-----------------------------------
         17 |          1        0.02        0.02
         28 |          1        0.02        0.03
         32 |          1        0.02        0.05
         68 |          1        0.02        0.06
         89 |          1        0.02        0.08
        111 |          1        0.02        0.10
        305 |          1        0.02        0.11
        306 |          1        0.02        0.13
        855 |          1        0.02        0.14
        976 |          1        0.02        0.16
       1223 |          1        0.02        0.18
       2639 |          1        0.02        0.19
       3214 |          1        0.02        0.21
       3467 |          1        0.02        0.22
       4427 |          1        0.02        0.24
       6640 |          1        0.02        0.26
       9497 |          1        0.02        0.27
      10372 |          1        0.02        0.29
      11798 |          1        0.02        0.30
      15545 |          1        0.02        0.32
     170441 |          1        0.02        0.34
   1.61e+07 |          1        0.02        0.35
          . |      6,236       99.65      100.00
------------+-----------------------------------
      Total |      6,258      100.00

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