Summary statistics for c_1_c7_71 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_71 | 4,910 7260081 1.29e+07 1 1.60e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018