Summary statistics for g_c1thr4_31 variable in snf_rollup2540_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_31 | 7,709 1108397 8993756 -2.26e+07 5.43e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018