1985

8.1

2009

7.3

1996

9.0

2025

8.0

2017

5.5

2016

0.0

1990

8.8

1991

9.5

1981

5.0

1988

5.0

1984

8.5

1988

7.2

1985

7.6

1986

2.0

1986

0.0

1982

9.2

1977

8.0

1990

4.0

1997

5.2

1998

4.2

1988

6.0

1985

7.0

1995

6.3

1999

4.6