2004

6.5

2005

6.9

1998

6.8

2020

4.2

2014

1.8

1999

5.6

2009

6.2

2006

5.0

2008

3.3

2021

4.5

1984

6.2

2013

6.0

2024

10.0

2007

5.2

2008

5.6

2024

7.2

1991

5.9

2017

6.1

1969

5.5

1987

5.2