Summary statistics for e_b_sub1_c1_30 variable in hosp_rollup2552_96_1996 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e_b_sub1_~30 | 9 3.42e+09 1.03e+10 -21 3.08e+10 by Jean Roth , jroth@nber.org , 3 Sep 2018