Frequencies for d_4_hos_c2_57 variable in prds_hosp10_yr2013 dataset :

d_4_hos_c2_ |
         57 |      Freq.     Percent        Cum.
------------+-----------------------------------
        234 |          1        0.02        0.02
       2705 |          1        0.02        0.03
       3990 |          1        0.02        0.05
      13825 |          1        0.02        0.06
      13948 |          1        0.02        0.08
          . |      6,243       99.92      100.00
------------+-----------------------------------
      Total |      6,248      100.00

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