1976

7.7

2004

6.7

1983

7.5

1997

8.5

1998

8.5

1971

8.0

2017

7.6

1999

7.3

2021

6.5

1991

8.1

1985

6.8

2000

6.5

2003

6.8

1991

0.0

1994

6.0

2004

8.5

1981

7.1

1992

7.4

1988

4.0

1986

6.6

2004

6.0

1980

5.4