Summary statistics for c_1_c7_91 variable in prds_hosp10_yr2017 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_91 | 2,887 4.54e+07 6.65e+07 147 1.28e+09 by Jean Roth , jroth@nber.org , 26 Oct 2018