Summary statistics for a_c6_14 variable in snf_rollup2540_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_14 |          4     -252400    158835.2    -444469     -81193

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