Summary statistics for a_c2_5 variable in snf_rollup2540_96_2000 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_5 |     12,463    229282.2    273256.9    -368721    7463402

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