Summary statistics for e3_2_ipf_c1_20 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e3_2_ipf_~20 | 1,155 2282962 2087698 3161 2.13e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018