I want to test the ability of students to read a passage and answer questions about it. Could you please come up with a good question for the passage "On the following table, green arrows () represent an increase in ranking over the previous study, while red arrows () represent a decrease in ranking. They are followed by the number of spaces they moved. Blue dashes () represent a nation that did not move in the rankings since the previous study."? 

What is the last color to be listed in the following table