1991

7.0

1998

5.7

1985

7.1

2017

6.2

2014

4.9

2016

7.3

1978

6.8

2007

0.0

2008

6.7

2003

7.1

2020

6.3

2024

0.0

1976

7.2

2004

7.1

1994

7.5

1981

7.4

2016

4.6

1998

5.0

2024

5.8

2020

6.8