Summary statistics for a_c1_8 variable in snf_rollup2540_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_8 |     12,198    266979.4    255221.5      -1249    4855647

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