Summary statistics for a_c2_18 variable in snf_rollup2540_96_2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_18 |        687    197880.6    345704.7      -1142    4441399

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