Summary statistics for g_c1thr4_57 variable in snf_rollup2540_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_57 | 7 3331548 4811763 41810 1.36e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018