Summary statistics for a_c2_22 variable in snf_rollup2540_96_2003 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_22 |     11,035    15814.38    27270.52     -31852    1732859

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