Summary statistics for c_1_c6_51 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_51 | 2,955 1014634 3066404 42 1.43e+08 by Jean Roth , jroth@nber.org , 10 Sep 2018