Summary statistics for s10_c1_31 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s10_c1_31 | 5,223 1.11e+07 4.16e+07 -9.79e+07 1.82e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018