2003

6.2

2004

5.2

2007

6.9

1967

6.9

2000

5.7

1975

3.1

2017

0.0

2001

4.0

2003

5.0

1978

6.1

2009

7.5

2003

6.0

2016

6.8

2004

5.6

1997

5.5

2006

4.6

1995

6.5

1998

4.1

2005

4.9

2002

5.1