Summary statistics for a_c6_16 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_16 | 1,884 -103887.3 655482.3 -1.59e+07 9783226 by Jean Roth , jroth@nber.org , 3 Sep 2018