Summary statistics for g_c1thr4_15 variable in snf_rollup2540_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_15 | 6,035 4514951 6557400 -734932 9.89e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018