Summary statistics for a_c2_7 variable in snf_rollup2540_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_7 |     11,962    45970.47    75973.59     -87581    1938357

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