Summary statistics for g2_1_c1_3 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_1_c1_3 | 7,731 3127709 2290300 -1030284 3.37e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018