Summary statistics for d_1_c3_48 variable in snf_rollup2540_96_2005 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   d_1_c3_48 |          2      603943      195433     465751     742135

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