Summary statistics for g3_c1_4 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g3_c1_4 | 6,129 1.35e+08 2.45e+08 223633 4.15e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018