Summary statistics for a_c2_50 variable in snf_rollup2540_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_50 |          2       37252    4345.878      34179      40325

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