Frequencies for d_2_ipf_c5_98 variable in prds_hosp10_yr2011 dataset :

d_2_ipf_c5_ |
         98 |      Freq.     Percent        Cum.
------------+-----------------------------------
          8 |          1        0.02        0.02
         90 |          1        0.02        0.03
        140 |          1        0.02        0.05
        772 |          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