2014

3.0

1996

8.0

1954

6.3

2017

7.0

2007

6.1

2008

6.0

2006

7.8

2015

5.1

2005

7.5

2002

5.1

2009

6.1

1977

7.3

1987

7.7

1976

4.5

1995

7.6

1987

6.1

2001

4.5

2008

4.9

2009

4.5

2004

7.8