Frequencies for d_4_hos_c2_60 variable in prds_hosp10_yr2010 dataset :

d_4_hos_c2_ |
         60 |      Freq.     Percent        Cum.
------------+-----------------------------------
        473 |          1        0.04        0.04
       1040 |          1        0.04        0.09
       6233 |          1        0.04        0.13
      13192 |          1        0.04        0.17
      28413 |          1        0.04        0.22
     503789 |          1        0.04        0.26
          . |      2,317       99.74      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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