2003

6.2

2000

5.8

2016

4.2

2004

5.6

2007

6.9

2009

7.5

1995

6.5

1992

5.0

1981

6.4

2004

3.1

2015

3.0

2004

3.8

2018

4.1

2009

4.7

2003

4.5

1974

3.6

1996

7.7

2024

5.9

2007

7.4

2010

5.9