Summary statistics for g_c1thr4_30 variable in snf_rollup2540_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_30 | 1,329 158819 2444929 -2.02e+07 3.14e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018