1996

7.0

1969

6.0

2006

7.1

1997

6.3

2005

6.7

2008

6.9

2000

6.3

1999

7.0

2009

5.4

2014

10.0

2013

0.0

2004

6.7

2003

5.0

2005

3.6

1999

6.8

2024

6.0

2007

6.8

2011

5.9

2009

6.1

2004

7.2