Summary statistics for a_c1_44 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_44 | 5,074 4095205 1.90e+07 -6422 5.75e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018