1985

6.7

1980

6.8

1974

0.0

1969

7.0

1958

6.7

1974

7.6

1989

8.2

2024

7.0

1972

8.6

1999

7.0

1997

6.5

1972

0.0

1976

0.0

1997

0.0

1996

5.0

2002

8.0

2009

7.3

1973

6.9

1984

6.5

1995

6.2