Summary statistics for c_1_c7_56 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_56 | 5,281 1.07e+07 2.40e+07 1 5.71e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018