Summary statistics for a_c6_17 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_17 | 5,291 5628.634 527608.5 -8541136 2.31e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018