2005

7.1

1974

7.2

2004

7.4

2006

7.8

1998

7.3

2001

6.1

1999

8.2

1989

7.5

2023

7.2

2021

9.2

2019

8.6

2019

8.1

2022

0.0

2007

8.2

2007

8.7

2011

6.5

2003

6.6

2018

4.0

2021

7.0

0.0