1961

6.0

1984

7.0

1990

7.7

1976

7.2

0.0

2007

6.7

2005

6.6

1952

5.0

2004

6.5

1984

4.3

1985

6.2

1967

6.3

1968

6.1

1981

4.6

2022

5.5

1986

0.0

2025

7.4

1977

6.0

1989

0.0

1997

6.1