Summary statistics for d_1_c4_25 variable in snf_rollup2540_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_1_c4_25 | 13,830 219452.9 490041.9 10 5.23e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018