Summary statistics for a_c1_23 variable in snf_rollup2540_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_23 |          4     26511.5    34182.74       3420      76155

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