Summary statistics for s10_c1_20 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s10_c1_20 | 4,282 1.52e+07 4.59e+07 24 1.31e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018