Summary statistics for a_c1_13 variable in snf_rollup2540_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_13 |     11,892    90443.46    91285.19       -429    1938483

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