Summary statistics for g_c1thr4_17 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_17 | 5,489 454164.9 1154904 -632657 3.97e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018