Summary statistics for g_c1thr4_15 variable in snf_rollup2540_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_15 | 6,875 1.09e+07 2.54e+07 -22156 5.45e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018