1979
7.7
7
6.4
6.3
4.3
6.4
7.5
7.6
7.6
6.7
5.9
5.1
5.9
6.9
6.4
5.1
4.9
5.5
5.7
6.5
5.6
5.4
7.7
5.7
7
5.8
5.1
7
5.3
6.9
7.2
6.9
5.9
7.2
7.1
4.7
6.5
6.4
5.3
7.1
7.7
6.6
7.3
5.8
5.8
3.5
8
6.4
6.8
5.4
6.6
3
4
6.9
4.8
5.4
6.7
5.8
5.2
5.4
5.2
5.3
5.5
6.4
4.2
6.5
3.2
5.6
7.2
5.6
3.5
6.4
5.2
6
4.1
5.8
5.2
5.2
6.9
6.4
5.5
6.6
6.1
4.5
7.1
5.6
3.5
5.3
6
6.6
6.6
7.2
6.4
6.4
7
5.7
7.3
6.9
6.2
6.6
