Summary statistics for c_1_c6_31 variable in prds_hosp10_yr2014 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_31 | 3,231 2.27e+07 4.15e+07 1 6.00e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018