Summary statistics for e2_swsnf_c1_12 variable in prds_hosp10_yr2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e2_swsnf_~12 | 1,635 1006293 1010786 1 1.09e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018