2004

8.6

2005

8.7

2025

7.0

2007

5.3

2008

5.5

2008

5.8

2021

8.4

2022

8.5

2017

6.4

2022

6.7

2015

4.2

2004

8.9

1982

5.8

0.0

1985

6.5

2013

6.0

2003

5.5

2009

2.1