Summary statistics for a_c2_21 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_21 |      3,726    22448.37    26969.92      -6631     376954

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