1978
2.8
6.2
5.7
6.2
8
4.8
4.6
5.5
5.8
5.2
7.4
7.3
5.7
7.4
5.6
5.8
6.6
6.8
5.6
4
6.6
8.1
6.1
6.4
5.5
6
3.7
6.9
5.8
7.7
5.4
7.2
6.2
6.2
6.6
6.6
7.2
5.9
5.6
6.3
6.3
6.8
6.4
7
6.7
7.4
6.8
5
6.6
4.2
6.3
6.4
6.2
5.6
6.3
5.4
5.6
6.1
7.1
5.1
6.8
5.6
5.3
6.8
8.1
4.1
7.3
4.1
6.9
7.7
7.8
6.2
5.6
6.2
5.7
6.3
5.8
7.3
6.3
5.7
5
6.9
4.7
7.6
6.1
6.4
7.3
6.9
6
5.6
3.2
5.9
7.3
6.2
7.2
7.2
6.5
5.9
6.9
7
