Summary statistics for a_c2_17 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_17 | 5,843 364775.7 679184.9 -298052 1.06e+07 by Jean Roth , jroth@nber.org , 9 Sep 2018