Summary statistics for g_c1thr4_40 variable in snf_rollup2540_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_40 | 2,447 1051685 5529311 -2.44e+07 1.74e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018