Summary statistics for a_c1_23 variable in snf_rollup2540_96_2000 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_23 |          9    18102.22    24535.16         51      63987

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