1978

7.7

2023

5.2

1989

5.6

1999

5.0

1986

6.0

2014

6.9

1991

6.4

1982

6.5

2001

7.8

1981

0.0

1979

0.0

1993

5.9

2004

7.3

1989

5.6

1984

5.2

1981

0.0

2006

6.2

2002

6.0

1997

7.0

2006

6.4

1986

7.0

1987

7.5

2002

0.0

1994

3.5