2008

5.2

2013

6.1

1994

6.7

1997

6.1

2004

7.3

2004

5.8

2023

10.0

2000

6.5

2011

6.2

2010

6.9

2023

6.8

2006

9.8

2012

6.3

2024

7.0

1980

6.7

2003

6.9

2014

7.5

2016

7.6

2019

6.9

2009

7.2