2007

6.9

2024

9.0

1997

7.6

2021

6.6

2007

7.4

2016

6.4

2006

4.0

2004

5.6

2014

6.2

1988

7.8

1994

7.4

2000

8.2

2005

5.2

1994

6.2

2009

7.5

2006

5.7

2009

5.8

2008

6.4

2025

7.3

1973

8.0