Summary statistics for e_b_sub1_c1_20 variable in hosp_rollup2552_96_1996 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e_b_sub1_~20 | 12 2.57e+09 8.90e+09 -124 3.08e+10 by Jean Roth , jroth@nber.org , 3 Sep 2018