Summary statistics for g_c1thr4_51 variable in snf_rollup2540_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_51 | 12,878 1463145 9267637 -3.10e+08 3.36e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018