Summary statistics for a_c2_14 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_14 | 5,325 266499.4 795125.3 -677637 2.54e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018