Summary statistics for a_c6_56 variable in snf_rollup2540_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_56 |          2     -736406    965917.8   -1419413     -53399

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