Summary statistics for c_1_c7_61 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_61 | 4,925 5046671 7294869 1 9.92e+07 by Jean Roth , jroth@nber.org , 9 Sep 2018