1977
8.4
6.4
8
7
6.4
8.5
6.5
6.6
4.8
6.5
8.4
7.6
6.6
5.6
7.5
8.5
3.4
8.2
8.7
7.1
5.9
5.6
4.3
6.5
5.7
4.7
5.9
7
5.2
5.5
6.2
7.3
6.3
5.5
4.2
5.3
7.1
5.7
2.9
5.3
5.1
6.8
6.4
5.9
5.3
6.3
7
6.6
4.3
5.6
4.6
6
6.7
5
4.9
7.1
5.6
3.2
7.2
5.2
6.5
6.6
6.4
7.1
5
5.6
6.7
6.3
4.3
5.6
7
5.3
5.9
5.8
6.3
5.5
6.8
7.9
3.5
5.9
4.9
5.2
6.3
6.2
3.8
6.2
5.9
3.8
6.1
3.7
4.6
7
5.2
6.7
6.3
5.6
7.3
4
4.4
6.2
