Summary statistics for a8_c2_31 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_31 | 1,111 184238.3 851277.2 -6176804 1.07e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018