Summary statistics for a_c6_9 variable in snf_rollup2540_96_2008 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c6_9 |      2,479    10206.15    56690.19    -473710    1121053

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