1984

0.0

1920

10.0

2004

3.5

2018

7.0

2009

5.6

2009

5.6

2009

7.3

2009

5.5

2004

6.5

2008

6.5

1997

5.3

2006

6.4

1987

7.1

2005

7.2

1989

5.5

2002

5.2

1999

6.6

2003

5.0

2008

6.2