Summary statistics for a_c6_17 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_17 | 5,426 18949.84 650820.3 -8288413 2.28e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018