Summary statistics for a_c1_4 variable in snf_rollup2540_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_4 |     12,304    251687.6    327652.2          1   1.63e+07

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