Frequencies for d_4_hos_c3_72 variable in prds_hosp10_yr2010 dataset :

d_4_hos_c3_ |
         72 |      Freq.     Percent        Cum.
------------+-----------------------------------
       1506 |          1        0.04        0.04
       2880 |          1        0.04        0.09
      20355 |          1        0.04        0.13
      23102 |          1        0.04        0.17
      26914 |          1        0.04        0.22
      39179 |          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