Summary statistics for mfr_dt variable in demo2015q3 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      mfr_dt |    388,152    2.01e+07    21741.56   1.99e+07   2.02e+07

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