How many countries first started the EU?
6
1
1
1
1
5
1
5
1
5
3
1
5
6
4
3
1
5
6
4
3
1
5
6
4
3
7
1
5
6
4
3
7
1
5
6
13
4
3
7
1
5
6
13
4
3
7
1
5
6
13
12
4
3
7
1
5
6
13
12
4
3
7
1
5
6
13
12
4
3
7
1
5
6
13
12
4
3
7
1
5
6
2
13
12
4
3
7
1
5
6
2
11
13
12
4
3
7
1
5
6
2
11
13
12
4
3
7
1
5
8
6
2
11
13
12
4
3
7
5
8
10
6
2
11
13
12
4
3
7
5
8
10
6
2
11
13
12
4
3
7
5
8
10
14
6
2
11
13
12
4
3
7
8
10
14
6
2
11
13
12
4
3
7
8
10
9
14
6
2
11
13
12
4
3
7
8
10
9
14
6
2
11
13
12
4
7
8
10
16
9
14
2
11
13
12
7
8
128
128
128