Summary statistics for a_c6_28 variable in snf_rollup2540_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_28 |          2       -3002    2165.161      -4533      -1471

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