1989

4.5

2009

6.5

2015

7.5

2022

10.0

2008

5.2

1985

4.4

1958

5.0

1995

7.0

1984

8.4

2006

6.8

2007

7.5

1998

7.2

2002

6.1

1997

6.8

2006

6.6

2008

5.1

2006

7.5

1999

7.4

2024

6.4

2003

7.2