Summary statistics for a_c2_22 variable in snf_rollup2540_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_22 |     10,775    18561.02     45836.9     -35965    3916698

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