1997
6.5
1997
5.5
1997
5.8
1997
3.9
1997
5.1
1997
4.7
1997
7.7
1997
6.6
1997
6.3
1997
3.7
1997
7.5
1997
7.3
1997
7.3
1997
5.3
1997
7.2
1997
5.5
1997
5.8
1997
4.8
1997
6.1
1997
3.6
1997
7.7
1997
7.7
1997
6.9
1997
6
1997
6.3
1997
7.3
1997
5.8
1997
7.1
1997
6
1997
6.2
1997
