Summary statistics for fda_dt variable in demo2015q4 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      fda_dt |    314,858    2.02e+07    81.17065   2.02e+07   2.02e+07

by Jean Roth , jroth@nber.org , 6 Apr 2017