Summary statistics for acrdtn_efctv_dt variable in pos2018 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
acrdtn_efc~t |      7,492    2.01e+07    105113.5   1.97e+07   2.02e+07

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