Summary statistics for a_c1_6360 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_6360 | 4 2.26e+07 2968733 1.98e+07 2.68e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018