2002

6.3

1999

5.8

2005

5.3

2015

6.2

2008

5.7

2003

0.0

2005

6.6

2001

7.0

2006

6.1

1973

4.0

2024

0.0

1961

5.0

2002

4.7

2007

4.9

2009

6.5

1992

5.6

1955

0.0

1980

10.0

1976

6.0

2003

7.0