1971

9.0

2017

6.8

1965

7.4

1980

8.4

2014

7.0

2006

6.3

2007

5.8

2010

7.1

2012

7.8

1985

8.3

2009

7.4

1994

8.7

1988

8.5

2010

7.5

1984

7.7

1996

6.8

1984

7.3

2009

5.6

2008

6.3

1965

6.3