Summary statistics for a_c2_100 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_100 | 2,929 2117062 8405253 -1.96e+07 1.76e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018