Summary statistics for g2_c1_28 variable in prds_hosp10_yr2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_c1_28 | 6,002 2.49e+08 5.10e+08 -41 8.44e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018