Frequencies for d_1_hos_c4_4201 variable in prds_hosp10_yr2010 dataset :

d_1_hos_c4_ |
       4201 |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      2,323      100.00      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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