Summary statistics for c_1_c7_91 variable in prds_hosp10_yr2016 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_91 | 4,658 4.27e+07 6.18e+07 524 1.12e+09 by Jean Roth , jroth@nber.org , 23 Aug 2018