Summary statistics for s3_1_c6_8 variable in snf_rollup2540_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   s3_1_c6_8 |          2         417    500.6316         63        771

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