Summary statistics for a_c6_99 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_99 | 204 310963.8 5080046 -1.62e+07 6.28e+07 by Jean Roth , jroth@nber.org , 10 Sep 2018