1981
6.9
5.9
7.4
6.2
5.7
5.3
3.5
6.8
5
4.9
6.5
5.2
5.1
5.4
6.8
6.1
5.1
7.1
6.5
5.1
7
7.2
5.7
6.3
4.2
4.4
4.6
7.3
5.5
6.4
6.4
5.4
6.1
6.6
5.8
7.3
6.8
8.4
7.3
6.8
5.6
6.1
6.2
5.6
5.9
5.9
7.4
5.1
7.4
6
6.4
6.4
6.6
7.3
6.8
7
4.1
6.5
7
6.6
6.5
6.7
6.4
7.6
6.5
4.5
5.6
6.3
5.9
6.3
5.6
4.9
5.5
7.7
6.2
5.9
6.8
6.6
3.8
6.6
7
5
6.9
6.6
7.7
6.5
5.1
6.5
5.1
7.6
4.1
5.8
7.1
6.1
7.4
5.9
4.9
4.4
5.1
7.2
