1978

6.5

1988

5.7

1973

6.0

2014

6.7

1995

7.9

0.0

1970

5.0

1975

0.0

2021

4.7

2020

8.0

1979

6.1

2024

5.4

2005

6.2

1998

5.5

1968

6.2

1988

7.5

1980

7.5

1974

4.2

1968

5.7

2008

5.0