Summary statistics for a_c2_23 variable in snf_rollup2540_96_2008 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_23 |      4,109    33022.98    47737.31     -14043     649514

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