2008

7.4

2004

5.9

2024

6.6

1997

6.5

2001

7.9

1998

7.1

2006

6.6

1998

6.8

1988

5.9

2007

7.2

2008

5.4

2000

5.0

2008

6.3

1975

0.0

2008

5.4

2008

4.0

2009

5.5

2022

10.0

1965

4.7

1980

8.2