2006

6.4

2012

6.8

2005

6.2

2007

4.5

2003

4.5

2012

6.5

2008

4.3

2000

5.2

1997

6.8

1996

3.7

2017

6.6

1996

6.2

1996

3.5

2013

7.1

2010

7.7

2008

5.4

2001

6.6

1999

6.7

2002

2.5

1999

6.1

2015

8.1

2008

6.2

2022

6.4

2005

6.1

2016

7.0

2005

7.2

2018

7.9

2001

6.6

2002

5.9

1998

4.2

2003

6.5

2009

7.7

2019

8.0

2000

5.4