Summary statistics for a_c1_4 variable in snf_rollup2540_96_2002 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_4 |     12,604    261751.4    356352.2          1   1.79e+07

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