Summary statistics for a_c1_44 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_44 | 5,064 3031112 1.59e+07 -122 6.63e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018