Summary statistics for a_c2_59 variable in snf_rollup2540_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_59 | 5,010 14639.03 239248.9 -29759 1.60e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018