Frequencies for d_4_hos_c2_73 variable in prds_hosp10_yr2010 dataset :

d_4_hos_c2_ |
         73 |      Freq.     Percent        Cum.
------------+-----------------------------------
       4688 |          1        0.04        0.04
     132813 |          1        0.04        0.09
    1112183 |          1        0.04        0.13
          . |      2,320       99.87      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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