Summary statistics for c_1_c6_31 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_31 | 3,175 2.54e+07 4.55e+07 1000 6.37e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018