Frequencies for ins_asp_spec_bact_pneum_pres_ulc variable in hcccoefn dataset :

           |      Freq.     Percent        Cum.
------------+-----------------------------------
       .495 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 2 May 2016