1997
7.9
7
6.1
7.8
8
7.6
8.4
6.9
7.3
6.9
8.4
8.4
6.9
7.1
6.5
7.2
6.4
8.7
7.7
6.5
7.9
7.2
7.4
6.8
8.8
6.1
7.8
8.7
4.8
7.5
7.8
3.4
6.5
8.2
5.2
7.7
8.1
7
4.4
5.3
7.4
5.8
7.7
5.5
6
6
3.8
7.2
5
5.6
6.2
5.8
8.1
7.5
6.9
6.1
3.9
6.6
8
6.4
6.6
3.2
5.5
4.9
6.8
7
8
7.4
6.5
7
7
4.6
6.8
3.7
3.9
6
6.7
6.3
7
8.1
6.8
6.9
5.8
7.2
8.4
7.7
6.8
6.2
3.7
6.6
4.3
7.1
4.1
6.7
6.4
5.4
8.1
4
7.5
5
