1996

8.0

2008

6.0

2001

4.3

1973

6.1

2018

6.0

1997

3.5

1971

5.1

2004

5.0

1970

5.5

2014

3.0

1954

6.3

2017

7.0

2007

6.1

2006

7.8

2015

5.1

2005

7.5

2002

5.1

2009

6.1

1977

7.3

1987

7.7