2004

6.2

1990

6.0

2008

8.9

2016

8.6

2013

8.2

2001

7.8

2019

7.3

2007

8.1

1989

8.3

1990

6.9

2018

8.3

1998

7.1

1999

8.3

2023

7.6

2009

8.0

2022

8.4

2011

7.6

2024

8.5

2012

8.2

2024

8.2