1978
7.5
4.8
7.1
5.8
6.4
5.2
5.1
5.6
5.5
6.7
6.7
4.1
3.7
3.7
7.1
5.6
7.3
4.8
5.7
6.4
7.3
7.8
7.2
7
4.2
5.1
5.2
5.4
4.4
4.3
6.5
6.5
6.2
5.7
6.1
6.9
5.2
7.5
6.2
7.2
6
4.8
6.5
4.5
4.9
6.4
5.4
6
6.9
6.8
4.8
6
6.3
3.9
3.9
7.4
4
6.3
4.8
5.4
7.7
7.9
8.3
6.1
7.2
6.9
5.7
0
8
6.6
7.2
3.5
6.5
7.4
6.4
5.4
6.9
7.7
6.3
6
5.3
7.1
4.3
5.6
6.9
6.1
3.7
4
5.3
7.3
4.1
7.7
6.8
5.1
6.9
7
5.5
6.4
6.1
7.4
