Summary statistics for a_c1_40 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_40 |         38    15027.03    19525.07         55      66974

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