Summary statistics for a_c2_16 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_16 | 3,983 5097175 1.02e+07 -827085 2.47e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018