Summary statistics for g_c1thr4_15 variable in snf_rollup2540_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_15 | 7,952 5004407 1.03e+07 -2.17e+07 2.91e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018