Summary statistics for a_c2_59 variable in snf_rollup2540_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_59 | 4,900 19436.43 463304.5 -156821 3.16e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018