Summary statistics for g_c1thr4_37 variable in snf_rollup2540_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_37 | 4,189 570701.9 2268906 -6459316 6.98e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018