Summary statistics for c_1_c5_56 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c5_56 | 3,423 9038375 1.56e+07 241 2.03e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018