Summary statistics for a_c6_56 variable in snf_rollup2540_96_2005 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_56 |          4   -448462.8    829285.9   -1691810       1570

by Jean Roth , jroth@nber.org , 17 Feb 2018