Frequencies for e3_4_hos_c1_6 variable in prds_hosp10_yr2010 dataset :

e3_4_hos_c1 |
         _6 |      Freq.     Percent        Cum.
------------+-----------------------------------
      50272 |          1        0.04        0.04
     224389 |          1        0.04        0.09
     252189 |          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