Summary statistics for g_c1thr4_4 variable in snf_rollup2540_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_4 | 13,649 1239350 2479373 -1.44e+07 1.11e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018