2008

8.9

1998

7.1

2016

8.6

2005

8.1

2006

7.5

2009

7.7

2025

7.6

1997

7.7

2010

8.2

5.8

1999

8.6

2004

8.6

2019

6.1

1990

7.4

1984

6.9

2023

5.6

2013

7.7

1992

5.9

2005

8.1

2001

7.4