Frequencies for d3_ipf_c3_98 variable in prds_hosp10_yr2011 dataset :

d3_ipf_c3_9 |
          8 |      Freq.     Percent        Cum.
------------+-----------------------------------
         96 |          1        0.02        0.02
       2305 |          1        0.02        0.03
       5929 |          1        0.02        0.05
      47713 |          1        0.02        0.07
          . |      6,146       99.93      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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