Summary statistics for cola_acrdtd_y_match_dt variable in posclia2018 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
cola_acrdt~t |      6,582    2.01e+07    86590.93   1.99e+07   2.02e+07

by Jean Roth , jroth@nber.org , 15 Feb 2019