Summary statistics for a_c1_41 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_41 | 5,397 4876988 1.63e+07 -9969 5.59e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018