Summary statistics for g2_1_c1_3 variable in snf_rollup2540_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_1_c1_3 | 1,819 3118053 3212140 -462124 3.26e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018