Summary statistics for g_c1thr4_28 variable in snf_rollup2540_96_2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_28 | 198 8167245 5.03e+07 -75412 6.95e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018