1990

5.0

2003

5.9

2023

6.9

1999

8.4

2004

0.0

2002

6.1

2005

8.2

2004

0.0

2003

5.0

2007

3.0

2013

1.0

2008

4.7

2021

0.0

2020

0.0

2018

0.0

2013

0.0

2015

0.0

2005

8.0

2000

7.0

1974

7.1