Summary statistics for c_1_c7_55 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_55 | 5,156 2083671 5370866 3 2.76e+08 by Jean Roth , jroth@nber.org , 5 Sep 2018