Summary statistics for fda_dt variable in demo2018q2 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      fda_dt |    457,169    2.02e+07    85.64655   2.02e+07   2.02e+07

by Jean Roth , jroth@nber.org , 8 Sep 2018