2016

5.9

2008

6.5

1996

5.6

2004

6.6

2001

7.6

1999

7.9

2008

5.8

2009

7.9

2007

5.9

2003

7.1

1998

7.4

2005

5.5

2000

5.9

2004

0.0

2018

7.5

2001

6.9

2006

7.0

2000

5.5

2004

6.8

1997

4.4

2002

6.0

2006

5.5