Summary statistics for a_c6_18 variable in snf_rollup2540_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_18 |        194   -16618.94    66491.91    -792183      16274

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