Summary statistics for g2_1_c1_3 variable in snf_rollup2540_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_1_c1_3 | 4,266 2983227 2856762 -1.37e+07 6.99e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018