Frequencies for d_4_ipf_c13_90 variable in prds_hosp10_yr2013 dataset :

d_4_ipf_c13 |
        _90 |      Freq.     Percent        Cum.
------------+-----------------------------------
         11 |          1        0.02        0.02
         18 |          1        0.02        0.03
         27 |          1        0.02        0.05
         37 |          1        0.02        0.06
         46 |          1        0.02        0.08
        155 |          1        0.02        0.10
        756 |          1        0.02        0.11
       1017 |          1        0.02        0.13
          . |      6,240       99.87      100.00
------------+-----------------------------------
      Total |      6,248      100.00

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