How many countries were members of the original European Union?
6
5
3
5
3
5
4
3
5
4
3
6
5
4
3
6
5
4
1
3
13
6
5
4
7
1
3
13
6
5
4
7
1
3
13
6
5
4
7
1
12
3
13
6
5
4
7
1
12
3
13
6
5
4
7
1
12
3
13
6
5
4
7
1
12
3
13
11
6
5
4
7
1
12
3
13
11
6
5
4
7
1
12
10
3
13
11
6
5
4
7
1
12
2
8
10
3
13
11
14
6
5
4
7
1
12
2
8
10
3
13
11
14
6
5
4
7
1
12
2
8
10
3
13
11
14
6
5
4
7
1
12
2
16
8
10
3
13
11
14
6
5
4
7
1
12
2
16
8
9
10
3
13
11
14
6
5
4
7
1
12
2
16
8
9
10
3
13
11
14
6
15
4
7
1
12
2
16
8
9
10
13
28
11
14
6
15
4
7
1
12
2
16
8
66
67
0
77
78
76
63