Summary statistics for a_c1_30 variable in snf_rollup2540_96_2006 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_30 |         57    133012.2    127293.8       -827     436879

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