1980

7.0

1983

6.1

2004

7.2

2003

7.3

1970

7.6

1994

4.7

1977

7.0

1988

7.0

1998

6.3

1972

7.2

2001

7.1

1969

0.0

1984

6.8

1978

7.3

1975

2.0

1990

6.0

2024

8.3

2019

0.0

2025

0.0

2013

1.0