Frequencies for fyear variable in hcris2552_10_2017 dataset :

      fyear |      Freq.     Percent        Cum.
------------+-----------------------------------
       2017 |      3,749      100.00      100.00
------------+-----------------------------------
      Total |      3,749      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2018