2000

6.0

2000

6.3

2009

7.4

2004

7.8

2007

6.5

2013

6.2

2024

6.8

1981

6.6

2018

7.5

2017

6.9

1994

7.4

2007

7.0

1974

8.6

2025

6.5

2024

7.4

2011

6.5

2024

6.2

2010

4.6

2006

5.5

2011

5.7