Summary statistics for c_1_c7_60 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_60 | 2,745 2823334 7457304 1 9.68e+07 by Jean Roth , jroth@nber.org , 5 Sep 2018