Summary statistics for c_1_c7_60 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_60 | 5,212 2.50e+07 4.68e+07 13 9.52e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018