Frequencies for d_4_hos_c4_52 variable in prds_hosp10_yr2014 dataset :

d_4_hos_c4_ |
         52 |      Freq.     Percent        Cum.
------------+-----------------------------------
      73813 |          1        0.02        0.02
     136446 |          1        0.02        0.03
     254021 |          1        0.02        0.05
          . |      6,245       99.95      100.00
------------+-----------------------------------
      Total |      6,248      100.00

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