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.
একটি দেশের র্যাঙ্কিং বাড়লে কোন সূচক থাকবে?
green arrows