Summary statistics for a_c2_41 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_41 | 6,045 4287108 1.43e+07 -10067 3.08e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018