1984

8.4

2008

7.6

1982

7.6

2016

9.0

2021

7.4

1993

7.3

1992

6.9

2016

8.6

2004

7.8

2006

7.5

1996

8.1

1995

8.0

2012

6.6

2003

7.0

2023

6.5

2008

8.9

2007

6.7

2024

7.0

1993

7.0

2001

7.8