这些变量分别是Net interest margin,Interbank ratio%, Total capital ratio%, Interest expense on customer deposits / Average customer deposits%,impaired loans/Gross loans%(Impaired loans(NPLs)/Gross loans),之前一直在用bankscope找,但是很多数据都有缺失的情况,后来又去国泰君安数据库看过,好像我这里很多数据都没有,所以特别想请教一下大家可以从什么地方找~~~