Summary statistics for c_1_c5_91 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c5_91 | 3,843 8827495 1.02e+07 5 1.23e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018