Summary statistics for g2_c2_21 variable in prds_hosp10_yr2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_c2_21 | 9 1.94e+07 4.78e+07 10 1.46e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018