1983

7.6

1998

8.7

2002

7.5

2019

8.0

2011

8.3

1992

8.5

1993

7.9

1995

8.2

2006

8.6

1995

7.8

2024

9.0

2012

7.0

1998

8.2

2002

8.6

2023

8.5

2015

7.0

2017

7.8

2002

7.4

2012

8.4

2020

8.2