2006

9.3

1998

8.6

2013

8.6

1990

6.9

2017

6.5

2023

8.2

2005

8.1

2010

7.7

2005

8.9

1987

8.0

2018

7.8

1989

7.5

2003

7.2

2012

7.3

2021

8.3

2009

7.8

1998

7.5

2000

6.5

2000

8.2