2016

7.8

2005

5.4

1999

6.3

2003

5.8

2002

5.9

1985

8.3

1995

8.0

1996

7.1

2011

4.0

1985

7.8

2002

6.4

2004

7.2

2004

6.6

1991

5.2

1995

6.3

2008

5.8

2012

7.0

2007

5.3

2024

0.0

2006

5.8