2002

6.4

2005

6.3

2003

3.8

2008

6.8

1997

7.6

2024

6.0

1992

5.0

2022

4.3

1989

6.0

2004

3.8

2001

5.4

1982

4.5

1991

5.8

1998

5.8

2011

5.1

1987

0.0

1983

3.8

2011

5.6

2020

3.5

2015

6.5