 
 <prompt> Wetin be di color wey represent say ranking no increase apart from blue? Based on di question wey dey before dis one, write something wey get di answer inside. E fit be 1 - 20 sentences. Context: <response>: ```On di table wey dey follow, green arrows () represent increase for ranking pass di previous study, while red arrows () represent decrease for ranking. Dem dey follow by di number of spaces wey dem move. Blue dashes () represent nation wey no move for di rankings since di previous study.``` 