Summary statistics for a_c2_14 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_14 | 5,503 362690.9 1075670 -1632309 2.34e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018