2000

4.8

2009

5.3

2005

4.7

2009

5.0

2017

5.6

2017

6.8

2009

6.5

2024

6.8

1989

5.2

2015

0.0

1999

2.8

2014

5.3

2014

5.9

2008

5.7

1985

3.3

1973

3.8

2017

7.3

2007

5.7

2006

5.5

2014

7.1