Summary statistics for s10_c1_28 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s10_c1_28 | 5,316 9976242 2.51e+07 -1.80e+07 1.02e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018