Summary statistics for g_c1thr4_17 variable in snf_rollup2540_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_17 | 6,070 646594.4 3173498 -943123 9.87e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018