Summary statistics for s10_c1_23 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s10_c1_23 | 4,285 4514181 3.29e+07 -1.11e+07 1.79e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018