2011

7.2

2008

6.2

1984

7.1

2008

6.2

2010

7.5

2004

6.6

2016

5.9

2018

5.0

2012

8.0

2000

5.0

2013

6.2

2022

3.8

1998

5.2

1989

5.4

1995

7.2

1989

6.5

2001

5.4

2016

6.1

2011

6.1

2015

5.9