1992

8.5

2024

9.0

2018

8.3

2012

7.6

1985

6.0

1984

8.0

1987

4.8

1988

8.1

2009

8.3

2005

8.0

2022

6.8

1996

0.0

2019

4.9

2014

7.0

1986

0.0

2013

7.8

2002

8.3

1999

8.9

2009

6.6

2023

7.9