Summary statistics for g_c1thr4_9 variable in snf_rollup2540_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_9 | 3,475 382211.1 2978020 -9638374 1.38e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018