2009

7.8

2014

6.0

2001

6.0

2007

5.9

2000

6.2

2006

7.5

2006

7.0

1996

8.2

1998

0.0

2008

6.2

1997

0.0

1994

6.2

1998

5.0

2016

7.9

1998

0.0

2004

9.0

1986

6.2

2015

5.2

2004

5.3

2019

1.0

2021

0.0

2013

7.1

2002

5.8