Summary statistics for a_c1_44 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_44 | 5,137 2270192 1.04e+07 -1974 2.78e+08 by Jean Roth , jroth@nber.org , 10 Sep 2018