1984

7.5

1999

5.0

1985

8.1

2002

5.4

2006

3.9

2004

3.5

1979

5.0

2013

5.4

2006

0.0

1997

5.5

2000

5.9

1998

6.4

1996

6.0

1996

0.0

1996

6.0

1994

4.0

2019

8.4

2007

7.2

1993

0.0

1996

0.0

1981

0.0

1986

7.4

2010

6.9

1997

7.0

2002

6.2

1989

6.6

1999

7.0

2000

8.1

1988

5.8

2004

5.3

1998

6.0

2004

9.0