Summary statistics for c_1_c7_61 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_61 | 4,962 2.03e+07 2.78e+07 65 4.43e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018