Summary statistics for a_c1_3 variable in snf_rollup2540_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_3 |      1,296    193380.7    164996.3   -2368833    1380328

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