Summary statistics for s10_c3_23 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s10_c3_23 | 4,321 5445910 3.41e+07 -1.56e+07 1.79e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018