Summary statistics for a_c1_12 variable in snf_rollup2540_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_12 |      8,355    30527.63    36484.33     -11681    1703047

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