Summary statistics for fda_dt variable in demo2017q2 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      fda_dt |    337,695    2.02e+07    83.39247   2.02e+07   2.02e+07

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