2006

5.6

2000

6.8

2016

5.3

2001

6.6

2008

5.4

1976

7.0

2007

4.8

2007

6.0

2005

7.1

1995

6.2

1995

6.4

1991

4.7

2006

4.9

2004

6.0

2005

6.9

2019

0.0

2007

4.4

2003

7.4

1982

7.5

1962

7.3