Summary statistics for g2_1_c1_3 variable in snf_rollup2540_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_1_c1_3 | 8,403 3080919 2406179 -1.93e+07 3.61e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018