Summary statistics for g2_c2_21 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_c2_21 | 10 1.33e+07 2.99e+07 2633 9.71e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018