Summary statistics for c_1_c6_91 variable in prds_hosp10_yr2016 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_91 | 4,613 1.38e+07 2.51e+07 18 3.98e+08 by Jean Roth , jroth@nber.org , 23 Aug 2018