Summary statistics for g_c1thr4_18 variable in snf_rollup2540_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_18 | 5,408 84166.58 626047.1 -1.68e+07 1.55e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018