Summary statistics for a_c2_5 variable in snf_rollup2540_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_5 |     12,331    242243.4    291034.4      -5138    8187432

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