Summary statistics for e4_c1_37 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e4_c1_37 | 1,221 6.17e+07 6.16e+07 3519 6.12e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018