Summary statistics for c_1_c6_31 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_31 | 3,269 1.98e+07 3.58e+07 1000 4.86e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018