|   Rank  |       Bank  |       Economies of scale [2017-2019]  |       Economies of scale [2020-2022]  |    
|   1  |       NCB  |       0.9987  |       0.9985  |    
|   2  |       Al Rajhi Bank  |       0.977  |       0.974  |    
|   3  |       Riyad Bank  |       0.96337  |       0.962  |    
|   4  |       SAAB  |       0.961  |       0.96  |    
|   5  |       ANB  |       0.954  |       0.9523  |    
|   6  |       Alinma  |       0.952  |       0.951  |