Summary statistics for d_1_c2_31 variable in snf_rollup2540_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   d_1_c2_31 |          4     6474.25    7280.891        467      15820

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