Summary statistics for a_c2_50 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_50 | 5,574 287487.6 568264.6 -577189 1.41e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018