2006

6.0

1995

6.8

2013

3.9

2003

5.3

1999

7.0

2004

6.8

2005

6.5

1983

4.7

1994

6.4

2005

5.9

1965

0.0

2005

1.0

2014

5.3

2016

5.6

2002

5.3

1998

6.3

1997

5.3

2000

2.0

1984

5.4

1989

6.2