2006

10.0

2020

6.0

2004

7.1

2025

5.0

6.6

2003

8.3

7.0

2021

6.2

2019

5.4

1994

6.3

2003

6.1

2018

6.0

2010

5.5

2009

5.9

1968

4.8

2007

6.7

1999

6.6

1975

4.5

2010

7.9