Summary statistics for a_c1_40 variable in snf_rollup2540_96_2003 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_40 |         31    31812.71    29412.43         31     131993

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