Summary statistics for ACRDTN_EFCTV_DT variable in pos2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
ACRDTN_EFC~T |      6,904     15453.3    2904.722       2373      19008

by Jean Roth , jroth@nber.org , 19 Apr 2019