1996

7.0

2006

6.0

1993

6.2

1967

7.5

1986

0.0

1971

7.1

2001

6.3

1959

5.5

1999

6.4

2000

6.4

2003

6.1

1997

6.5

2001

6.3

2003

5.5

1970

4.2

1960

5.0

1973

4.0

2023

5.0

2004

5.3

2007

6.7