2007

6.9

2010

7.2

2010

7.2

2006

4.1

1994

6.0

2014

7.0

2006

6.4

1995

7.5

2005

6.8

1982

5.8

1998

8.9

2019

6.5

2004

6.2

2016

7.3

2001

6.6

2012

7.1

2006

6.2

1995

7.3

2011

7.5

2021

6.9