Summary statistics for c_1_c7_40 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_40 | 3,605 3009272 6392009 1 1.35e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018