Summary statistics for a_c1_51 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_51 | 2,236 307909.9 468084.5 -7618 1.09e+07 by Jean Roth , jroth@nber.org , 7 Sep 2018