Summary statistics for crtfctn_dt variable in posclia2015 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  crtfctn_dt |    472,395    2.00e+07    78178.46   1.97e+07   2.02e+07

by Jean Roth , jroth@nber.org , 26 Jan 2016