Summary statistics for a_c2_10 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_10 | 5,953 424596.9 827077.2 -3130627 1.15e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018