Summary statistics for d_1_c9_27 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_1_c9_27 | 3,813 945458.5 3.26e+07 13 1.16e+09 by Jean Roth , jroth@nber.org , 17 Feb 2018