Summary statistics for a_c1_18 variable in snf_rollup2540_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_18 |      1,153     1132611     1203867      -9880    9104020

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