Frequencies for d_4_hos_c2_76 variable in prds_hosp10_yr2010 dataset :

d_4_hos_c2_ |
         76 |      Freq.     Percent        Cum.
------------+-----------------------------------
      12439 |          1        0.04        0.04
      21840 |          1        0.04        0.09
      29506 |          1        0.04        0.13
      34050 |          1        0.04        0.17
      54716 |          1        0.04        0.22
          . |      2,318       99.78      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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