Summary statistics for g_c1thr4_29 variable in snf_rollup2540_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_29 | 2,048 99930.2 614219.2 -1223987 1.78e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018