4
5
6
7
7.5
8
8.5
9
9.5
10
10.5
11
11.5
12
13
14
15
4
5
6
7
7.5
8
8.5
9
9.5
10
10.5
11
11.5
12
13
14
15
16
4
5
6
7
7.5
8
8.5
9
9.5
10
10.5
11
11.5
12
13
14
15
5
6
7
7.5
8
8.5
9
9.5
10
10.5
11
11.5
12
13
14
15
16