Summary statistics for g_c1thr4_57 variable in snf_rollup2540_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_57 | 12 2333175 4357733 40132 1.55e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018