How many Call of Duty games have been made and released?
16
4
4
4
4
3
4
3
5
4
3
5
4
3
5
4
8
3
5
4
8
3
5
4
2
8
3
5
4
1
2
8
3
5
7
4
1
6
2
8
3
5
7
4
1
6
2
8
3
5
7
4
1
6
2
8
3
5
7
4
1
6
2
8
3
5
7
4
0
1
6
2
8
3
5
7
4
1
6
2
0
8
3
5
7
4
1
6
2
8
ten
10
0
9
3
5
7
4
1
6
2
8
10
9
ten
3
5
7
4
0
1
6
2
8
10
9
3
5
7
1
6
ten
2
13
0
8
10
9
3
5
7
1
6
2
13
62
8
ten
10
0
9
3
5
7
1
6
2
11
13
8
10
62
9
ten
3
5
7
0
121
1
6
2
11
13
12
8
10
9
5
7
62
1
6
ten
2
11
25
13
0
121
12
8
14
10
9
7
1
6
2
11
25
13
62
12
8
ten
14
10
0
121
9