Summary statistics for g_c1thr4_12 variable in snf_rollup2540_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_12 | 5,104 664113.4 1694329 -76735 2.24e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018