Summary statistics for a_c1_18 variable in snf_rollup2540_96_2002 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_18 |      3,962     1105179     1005517     -35555   1.67e+07

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