Summary statistics for a_c1_3 variable in snf_rollup2540_96_2006 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_3 |      1,243      215933    164226.8       -933    1744850

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