Summary statistics for g_c1thr4_12 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_12 | 6,522 315293 753863.2 1 3.28e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018