How many NFL teams have not won a Superbowl?
12
13
13
13
13
12
13
12
2
7
13
0
3
12
2
7
13
3
12
0
2
7
13
3
12
2
0
7
13
11
3
12
5
2
10
7
13
11
3
12
5
2
10
7
13
11
3
12
5
2
10
8
7
13
11
3
12
5
2
10
8
4
7
13
11
3
12
5
2
10
8
4
6
7
13
11
3
12
5
2
10
8
4
6
7
13
11
3
9
12
5
2
10
1
8
4
6
7
13
11
3
9
12
5
2
10
1
8
4
6
7
13
11
3
9
12
5
2
10
14
1
8
4
6
7
13
11
3
9
12
5
2
10
14
1
8
4
6
7
13
11
3
9
12
5
2
10
14
1
8
4
15
6
7
13
11
3
9
12
5
2
10
14
1
8
4
15
6
7
11
3
9
12
5
2
10
14
1
8
4
15
6
7
11
3
9
12
5
2
10
14
1
8
4
69
ten
69
ten
69
ten
76