Summary statistics for c_1_c6_65 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_65 | 5,165 1.12e+07 2.18e+07 1 2.90e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018