Summary statistics for g2_1_c1_13 variable in snf_rollup2540_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_1_c1_13 | 749 1880068 1.33e+07 -398972 3.13e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018