Summary statistics for a_c6_12 variable in snf_rollup2540_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_12 |      1,041   -594.4803    15934.42    -407176     150671

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