Summary statistics for c_1_c7_37 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_37 | 4,829 1.56e+07 2.94e+07 1 8.47e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018