Summary statistics for c_1_c6_56 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_56 | 5,835 1.40e+07 2.62e+07 477 3.99e+08 by Jean Roth , jroth@nber.org , 9 Sep 2018