1980
7.5
6.7
8.6
7.3
8.6
6.5
6.8
6.3
6.7
3.4
6.9
5.6
6.7
5.7
6.3
4.4
6.1
4.2
4.1
5.6
7.1
4.9
4.8
4.2
4.1
6.2
6.5
6
6.8
4.8
7.1
7.2
4
6.2
7.2
7.2
6.7
6.8
4.6
5.9
6.9
5.2
5
9.3
5.8
5.9
4.6
5.4
6.1
5.7
6.1
6.9
5.2
2.5
6.3
6.3
7.9
4.3
4.9
4.9
5.3
7.1
6.8
6
5.6
7.3
6.1
4.5
5.1
5.8
6.3
5.5
6.3
6.4
5.3
6.2
5.1
6.8
4.8
5.9
4.8
6.5
4.6
7.2
6.1
6.9
4.8
6.7
6.5
4.7
5.9
6.6
7.4
6.6
6.4
5.8
7.1
5.4
7.2
6.6
