Summary statistics for g2_c1_4 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_c1_4 | 18 2.06e+07 2.43e+07 153156 8.82e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018