1998

7.1

2025

9.5

2018

10.0

2019

7.1

2013

7.7

2009

7.5

1990

7.4

2007

6.9

2001

7.8

2003

8.2

2012

8.2

2012

8.4

2005

7.1

2015

8.3

2002

7.2

1994

8.4

2009

8.0

2002

7.5

2005

7.0

1984

7.0