Summary statistics for a8_c2_22 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_22 | 1,468 -18964.66 79020.01 -2664779 6712 by Jean Roth , jroth@nber.org , 21 Apr 2018