Summary statistics for e4_c1_45 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e4_c1_45 | 1,235 8.58e+07 8.93e+07 372 8.36e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018