2008

6.5

1981

7.4

2005

5.2

2003

6.3

1980

6.7

2025

5.5

2004

6.1

1995

7.8

2001

7.0

1998

6.7

1999

4.8

2006

4.3

0.0

1985

8.3

2007

6.9

1984

5.9

2008

6.2

1985

6.2

1998

6.4

2023

0.0