2000

5.4

1998

6.7

1999

4.3

2005

4.2

2004

6.0

2000

6.2

2017

3.5

2005

0.0

2016

5.5

1993

5.8

2012

7.4

2002

7.0

2004

4.5

2020

0.0

2008

0.0

1994

5.5

1988

6.1