Summary statistics for a_c6_17 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_17 | 5,397 16607.34 644175.9 -1.22e+07 2.33e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018