2008

6.8

2014

5.1

2006

7.6

1998

7.3

2007

5.5

2007

6.5

1992

7.0

2017

1.0

1991

6.5

1995

7.7

1978

7.5

2008

5.1

2006

6.4

1984

4.2

2023

0.0

2002

6.2

2006

5.5

1992

0.0

2011

8.0

2019

0.0