Summary statistics for g_c1thr4_4 variable in snf_rollup2540_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_4 | 12,407 1065440 2528887 -4542111 1.39e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018