Summary statistics for a_c2_5 variable in snf_rollup2540_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_5 |     12,043    213069.9    244273.9     -71712    4497761

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