Summary statistics for a_c2_3 variable in snf_rollup2540_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_3 |     11,476    639628.9    877706.4      -8840   1.74e+07

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