Summary statistics for g_c1thr4_50 variable in snf_rollup2540_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_50 | 12,223 4302345 1.17e+07 -2.20e+07 3.34e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018