Summary statistics for c_1_c7_74 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_74 | 1,553 3369097 1.10e+07 65 1.54e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018