Summary statistics for d_1_c2_32 variable in snf_rollup2540_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_1_c2_32 | 1,617 11162.49 17653.27 -1878 255473 by Jean Roth , jroth@nber.org , 17 Feb 2018