Summary statistics for a_c2_7 variable in snf_rollup2540_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_7 |     12,528    58210.41    97297.54    -413356    2440640

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