Summary statistics for g_c1thr4_6 variable in snf_rollup2540_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_6 | 6,868 139653.5 657117 -613401 3.07e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018