Frequencies for d_4_hos_c2_57 variable in prds_hosp10_yr2015 dataset :

d_4_hos_c2_ |
         57 |      Freq.     Percent        Cum.
------------+-----------------------------------
        198 |          1        0.02        0.02
       2184 |          1        0.02        0.03
       6309 |          1        0.02        0.05
      39639 |          1        0.02        0.06
      68049 |          1        0.02        0.08
          . |      6,253       99.92      100.00
------------+-----------------------------------
      Total |      6,258      100.00

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