Summary statistics for a_c1_4 variable in snf_rollup2540_96_2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_4 |     14,038    339574.1    368045.3       -306    8084721

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