Summary statistics for fda_dt variable in demo2009q4 dataset :

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
      fda_dt |    137708    2.01e+07    82.73183   2.01e+07   2.01e+07

by Jean Roth , jroth@nber.org , 18 Dec 2015