Summary statistics for e2_swsnf_c1_20 variable in hcris2552_10_2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e2_swsnf_~20 | 1,603 1088600 1139781 551 1.57e+07 by Jean Roth , jroth@nber.org , 23 Aug 2018