Summary statistics for g_c1thr4_40 variable in snf_rollup2540_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_40 | 2,029 698060.8 2034458 -9559358 2.56e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018