1991

7.3

1998

6.2

2002

6.1

2005

0.0

2004

5.3

2020

8.0

2015

5.8

2009

5.4

1999

5.5

2024

7.0

2003

6.6

2008

6.0

2017

6.2

2022

6.0

2017

7.5

1996

6.4

1985

6.5

1998

4.1

2009

0.0

1988

3.0