2005

6.3

1990

6.8

2006

6.3

1987

6.9

2024

0.0

1985

5.8

1980

5.1

2009

4.3

2015

0.0

1999

4.5

1989

4.5

1996

5.3

2023

6.5

1978

0.0

1976

2.0

1991

6.7

2004

5.7

2005

6.5

2002

6.8

2001

5.1