Summary statistics for a_c1_40 variable in snf_rollup2540_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_40 |         33    22064.03    26533.87          4      98238

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