Summary statistics for g2_c1_18 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_c1_18 | 5,688 1.66e+08 3.30e+08 1 6.40e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018