Summary statistics for a_c6_56 variable in snf_rollup2540_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_56 |          7     -450675    563843.5   -1557964     -15510

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