Summary statistics for g_c1thr4_2 variable in snf_rollup2540_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_2 | 1,165 2120542 9216421 -449978 1.54e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018