Summary statistics for g_c1thr4_57 variable in snf_rollup2540_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 g_c1thr4_57 |          1      503007           .     503007     503007

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