Summary statistics for g_c1thr4_36 variable in snf_rollup2540_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_36 | 9,332 74790.6 628020 -699753 5.68e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018