Summary statistics for c_1_c5_61 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c5_61 | 4,274 5698551 6836977 4 7.80e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018