Summary statistics for c_1_c6_56 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_56 | 5,801 8317721 1.44e+07 1 1.89e+08 by Jean Roth , jroth@nber.org , 3 Sep 2018