Summary statistics for s10_c1_20 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s10_c1_20 | 1,621 1.46e+07 4.17e+07 -2.68e+07 7.22e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018