Summary statistics for a_c1_4 variable in snf_rollup2540_96_1996 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_4 |      9,596    214878.1    257692.2          1    9823731

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