Summary statistics for s10_c1_31 variable in prds_hosp10_yr2014 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s10_c1_31 | 5,229 3.11e+07 3.22e+08 -9.20e+07 1.28e+10 by Jean Roth , jroth@nber.org , 24 Aug 2018