Summary statistics for c_1_c6_55 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_55 | 5,729 6532110 1.31e+07 22 2.83e+08 by Jean Roth , jroth@nber.org , 5 Sep 2018