Summary statistics for g_c1thr4_21 variable in snf_rollup2540_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_21 | 5,277 82148.61 155216.2 -75497 4499335 by Jean Roth , jroth@nber.org , 17 Feb 2018