The euro area knowledge consult with the country composition at a certain point in time. Alterations during the composition in the euro place are included utilizing a chain index components.C? th? báo cáo vi?t: Trung tâm Hu?n luy?n th? thao qu?c gia Hà N?i do ?ã xây d?ng t? lâu nên c? s? v?t ch?t xu?ng c?p và thi?u th?n nh?ng trang thi?t b