1970

3.8

1966

2.5

1991

4.5

2003

6.6

2004

5.3

2007

6.4

2006

6.3

2001

7.4

1991

5.9

1996

7.0

1973

3.7

2006

6.2

1966

5.9

1969

6.5

2025

0.0

1977

4.6

2023

0.0

1967

6.9

1972

6.3

2023

0.0