Summary statistics for a_c2_96 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_96 | 1,492 1076105 1.35e+07 -672937 5.03e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018