Summary statistics for mfr_dt variable in demo2013q3 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      mfr_dt |    178,441    2.01e+07    43885.66    2130913   2.01e+07

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