Summary statistics for c_1_c7_69 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_69 | 3,689 7171088 1.37e+07 2 1.75e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018