Summary statistics for a_c2_11 variable in hosp_rollup2552_96_2000 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_11 | 6,016 635343.1 877115.6 -501057 1.48e+07 by Jean Roth , jroth@nber.org , 8 Sep 2018