Summary statistics for g_c1thr4_15 variable in snf_rollup2540_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_15 | 7,091 9782554 2.34e+07 -57124 5.53e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018