Summary statistics for g_c1thr4_15 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_15 | 7,622 4418188 8162280 -1485239 3.00e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018