Summary statistics for g_c1thr4_31 variable in snf_rollup2540_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_31 | 7,540 833271.3 6866696 -1.84e+07 3.49e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018