2004

6.5

1987

4.1

2005

7.1

2003

8.2

2024

6.6

2006

7.9

1976

5.7

2008

6.4

1971

7.2

1999

7.0

2007

6.3

1985

6.7

2006

7.6

1999

6.8

2023

0.0

2021

6.1

2024

9.0

2005

7.2

1995

7.6

2000

8.2