2008

5.2

2017

6.6

2018

6.4

2017

7.3

2003

5.6

2006

6.9

2007

7.0

2014

5.3

2013

7.5

2002

7.7

1997

7.5

1992

0.0

2004

7.4

2017

7.5

2003

8.0

2019

5.0

2018

5.9

2006

6.4

2015

5.3

1989

5.8

2000

5.3

2024

0.0

1989

0.0

2012

3.5