2009

6.0

2004

7.0

2011

5.3

2010

8.4

1994

8.7

1985

8.3

2002

8.4

1999

8.4

2011

8.3

1983

7.9

1995

8.0

1957

8.5

2007

7.3

2018

7.0

1989

6.9

2006

8.2

1994

8.3

2010

7.1

1997

7.6

2012

6.6