2008

8.0

1991

6.9

2004

5.5

1965

7.8

1975

6.9

2024

6.6

1999

7.5

1996

6.3

2001

6.6

2020

10.0

1967

7.2

1998

8.2

2002

8.0

1984

0.0

1976

7.0

1985

7.5

1967

7.5

2005

7.6

1978

0.0

2006

5.0