2011

8.1

2002

8.0

1984

7.1

2009

0.0

2012

5.5

1990

10.0

1978

0.0

2005

9.0

1994

0.0

2007

1.0

2004

6.8

1994

6.8

2000

4.0

1971

7.6

1996

8.5

1996

6.4

2001

6.6

2006

0.0

2023

8.5

2006

7.8