Frequencies for e_a_hos_c1_213 variable in prds_hosp10_yr2017 dataset :

e_a_hos_c1_ |
        213 |      Freq.     Percent        Cum.
------------+-----------------------------------
     594474 |          1        0.03        0.03
     683541 |          1        0.03        0.05
    1671584 |          1        0.03        0.08
          . |      3,746       99.92      100.00
------------+-----------------------------------
      Total |      3,749      100.00

by Jean Roth , jroth@nber.org , 26 Oct 2018