1964

8.0

2004

7.6

1977

5.0

1985

4.5

2012

6.0

1999

6.9

0.0

1977

6.1

2019

4.0

1991

5.2

2013

6.8

2024

7.3

2021

7.9

1997

6.3

1979

0.0

1979

6.6

2008

6.4

2019

7.1

2019

7.7

1999

9.0