Summary statistics for c_1_c7_61 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_61 | 4,524 2370993 3543943 1 6.74e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018