Summary statistics for g2_1_c1_3 variable in snf_rollup2540_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_1_c1_3 | 6,744 3196709 2522992 -7134769 5.16e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018