Summary statistics for c_1_c7_91 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_91 | 4,680 3.85e+07 5.49e+07 100 9.63e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018