2006

5.2

2024

5.8

1999

6.7

2004

5.3

1980

7.0

2008

5.9

1983

6.0

2018

4.1

1998

5.2

2004

4.5

1995

5.9

2004

6.0

1999

4.9

1975

4.8

1973

5.4

2000

2.8

1996

4.7

2011

6.3

2010

5.8

1976

4.5