Summary statistics for a_c6_1 variable in snf_rollup2540_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_1 | 10,957 -58486.68 455864.2 -1.71e+07 1.55e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018