Summary statistics for g2_1_c1_3 variable in snf_rollup2540_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_1_c1_3 | 5,890 3272299 1.07e+07 -2765196 8.05e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018