How many countries first started the EU?
6
5
5
13
5
13
5
7
13
14
5
7
13
14
5
7
13
member states
14
5
7
15
13
14
5
7
15
9
13
28
14
5
member states
7
15
9
13
28
14
5
7
15
9
13
Member states
10
28
14
5
member states
7
15
9
13
10
28
Member States
14
5
25
7
15
9
13
Member states
10
28
14
5
25
7
15
9
13
10
28
Member States
14
5
25
7
15
9
13
10
28
12
14
5
25
7
15
9
13
ten
10
28
1
12
14
5
3
25
7
15
27
9
13
10
28
1
ten
12
14
24
5
3
25
7
15
27
9
13
10
28
6
19
1
12
14
24
5
ten
3
25
7
15
27
9
2
13
10
28
6
19
1
12
14
24
5
8
3
25
7
15
27
9
2
13
10
28
6
19
1
12
14
24
5
11
8
3
25
7
15
27
9
2
13
10
28
6
19
1
12
14
24
4
11
8
3
25
7
27
9
2
19
108
155
108
155
108