Summary statistics for a_c2_23 variable in snf_rollup2540_96_1998 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_23 |      4,123     43393.8    72440.57    -347197    1005889

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