Summary statistics for a_c2_2 variable in snf_rollup2540_96_2000 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_2 |      6,855    72289.54    129312.7     -36000    5403610

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