Summary statistics for c_1_c6_47 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_47 | 1,490 1254461 2655753 140 3.06e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018