Summary statistics for g_c1thr4_54 variable in snf_rollup2540_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_54 | 12 1611893 3072325 -38452 1.04e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018