Summary statistics for g_c1thr4_10 variable in snf_rollup2540_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_10 | 1,607 1114200 9546398 -3.16e+08 1.52e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018