2002

5.7

2009

5.9

2001

6.0

2011

6.8

2007

7.2

2005

4.9

1985

6.1

2014

5.4

2012

6.1

2009

7.3

2024

7.6

2003

5.8

2007

6.3

2005

6.8

2009

5.9

2020

6.4

2004

6.7

2015

6.7

1998

6.1

2011

6.7